But some sort of interaction is there between Fluorine lone pairs and bond pairs. The valance shell electron configuration of As and F are 2s2 2p3 and 2s2 2p5. What are the electron and molecular geometry of AsF5? Notify me of follow-up comments by email. Note: H always goes outside. Al and F have electronegativity of 1.61 and 3.98. The hybridization of the central Arsenic atom in AsF3 is sp3. This is a very fundamental question in the field of molecular chemistry. Arsenic has three electrons in its 4p orbital. Arsenic pentafluoride is a chemical compound made up of arsenic and fluorine. Let us look into details if AlF3 is polar or not. How do you find the AsF3 molecules hybridization? Because of this difference in electronegativity of Arsenic and Fluorine atoms, the AsF3 molecules As-F bond becomes polar. Let us calculate the total lone pairs of AlF3. The diagrams below offer a visual representation of the structure so far: From the figures above, we can see that all 40 valence electrons have been used in the Lewis structure. AsF3 definitely is not an ionic compound. This central Arsenic atom is octet stable. 5 o Let us discuss more below. But in the structure Fluorine atoms are polarised sidewise in their trigonal pyramidal geometry. As arsenic atom belongs to group 15th in periodic table and fluorine situated in 17th group, hence, the valence electron for arsenic is 5 and for fluorine atom, it is 7. The bond between atoms (covalent bonds) and Lone pairs count as electron domains. AsF3 is a mild basic element because of the lone pair of arsenic. Transcribed Image Text: 1) i) ASF3, (ii) BRF3, (iii) C103", (iv) BrO2 Answer the following questions for the molecules given above: a) Draw the Lewis structure for each of the following molecules or ions. Al is chosen as the central atom. Each F atom is singly bonded to the central atom at 1200 to avoid maximum repulsion among the bond pairs. (adsbygoogle = window.adsbygoogle || []).push({});
. The shape of AlF3 lewis structure molecule is trigonal planar. Hence, in the above structure, (2 5) = 10 valence electrons are used from a total of 40 valence electrons available for drawing the AsF5 Lewis structure. But, due to presence of lone pair- bond pair repulsion, AsF3 is deviated from its actual bond angle and show the angle (96.20) less than the actual. AlF3 has a total of 24 valence electrons. It is also used as a disinfectant in water treatment plants. Let us discuss in details. Methyl fluoride is a colorless gas. AlF3 is not a polar molecule. Total number of the valence electrons in arsenic = 5, Total number of the valence electrons in fluorine = 7, Total number of valence electron available for the AsF5 Lewis structure = 5 + 7(5) = 40 valence electrons [AsF5 molecule has one arsenic and five fluorine atoms], 2. In the AsF3 molecule, Arsenic is a core central atom with three Fluorine atoms connected to it. The combination of Arsenic and Fluorine in the compound makes it extremely toxic. Each F atom has 7 valence electrons in its valence shell. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Topblogtenz is a website dedicated to providing informative and engaging content related to the field of chemistry and science. It is determined such that the elemental charge on each atom is closest to zero. Three Fluorine atoms are connected with the central Arsenic atom. In AsF5, there are a total of 40 valence electrons present (35 from five fluorine atoms and 5 from the arsenic atom). As there is only one lone pair, lone pair-lone pair repulsion is insignificant for this molecule. Two of them in 4s orbital and rest of the three electrons in 4p orbital having half filled electron configuration. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. In the case of the AsF5 molecule, the arsenic atom is less electronegative than the fluorine atom, also, fluorine is the highest electronegative element in chemistry, hence, it always takes the surrounding position in the lewis diagram. [3] Preparation and properties [ edit] It can be prepared by reacting hydrogen fluoride, HF, with arsenic trioxide: [3] 6HF + As 2 O 3 2AsF 3 + 3H 2 O Connect outer atoms to central atom with a single bond. AlF3 is a nonpolar ionic molecule that is used as a molten salt or an electrolyte in electrolysis processes. In the AsF3 molecular geometry, the As-F single bonds have stayed in the three terminals and one lone pair of electrons on the Arsenic atom of the trigonal pyramidal AsF3 molecule. The AXN technique is commonly used when the VSEPR theory is used to calculate the shape of the AsF3 molecule. The formal charge on the AsF3 molecules Arsenic central atom often corresponds to the actual charge on that Arsenic central atom. In the AsF3 electron geometry structure, the lone pair on the central Arsenic atom is one, lone pairs of electrons in the Fluorine atom have six. Due to its more ionic nature and electron transferring process, it is regarded as a salt similar to an electrolyte. Nonbonded electrons of each of the fluorine atom: 7 1 = 6 or three lone pairs. AsF3 Lewis structure is dot representation, Zero charges on the AsF3 molecular structure, The polarity of the molecules are listed as follows, Lewis structure and molecular geometry of molecules are listed below, Your email address will not be published. The Arsenic atom completes its molecular octet stability in the AsF3 molecule because it possesses six electrons in its (three As-F single bonds) bond pairs with three Fluorine in the outermost valence shell. Some central atom can expand their octet for reducing the formal charge on the lewis diagram or attaining stability by storing extra electrons needed for bonding. The Fluorine atoms have complete outer shells with 8 valence electrons attached to each atom. : The three equatorial atoms are in the same plane, with the two axial atoms located on opposite ends of the molecule. Your email address will not be published. Place the valence electrons in the As-F bond pairs starting with the core Arsenic, three Fluorine atoms in the AsF3 molecule. The x can vary from 1 to 3 or more. Nonbonded electrons of As: 5 3 = 2 or one lone pair. The electronegativity of an atom is the strength with which it may attract bound electron pairs to its side. AlF3 is planar with 3 bond pairs in triangular shape. The Arsenic atom goes in the center of the Lewis structure since it is the least electronegative atom. Hey folks, this is me, Priyanka, writer at Geometry of Molecules where I want to make Chemistry easy to learn and quick to understand. ASF3 Electron geometry Molecular geometry Valence electrons Electron geometry 9. Arsenic pentafluoride is prepared by a simple combination of fluorine and arsenic. View all posts by Priyanka , Your email address will not be published. In BF3, the central boron atom has sp2 hybridized orbitals, resulting in an unfilled p orbital on the Bron atom and trigonal planar molecular geometry. In the AsF5 molecule, fluorine is the outer atom and it needs 8 electrons in its valence shell to complete the octet. From the A-X-N table below, we can determine the molecular geometry for AsF5. Molecular geometry, also known as the molecular structure, is the three-dimensional structure or arrangement of atoms in a molecule. Molecular geometry, also known as the molecular structure, is the three-dimensional structure or arrangement of atoms in a molecule. It is also called pnictogen halide. Fluorine is the first member of the halogen family. We can use the A-X-N method to confirm this. (a) What is the electron-group geometry, according to VSEPR theory? It appears as a colorless gas and is soluble in Ethanol, Dimethyl ether, and Benzene. So, all fluorine atoms in the above structure completed their octet, because all of them have 8 electrons(6 electrons represented as dots + 2 electrons in every single bond) in their valence shell. Because the center atom, Arsenic, has three As-F single bonds with the three Fluorine atoms surrounding it. Thus, the ideal bond angle should be 109.50. Octet rule is defined as in chemistry as a very much important rule in which any molecule should have the electron configuration in its outer most shell that it resembles with the nearest noble gas valance shell electron configuration in periodic table. Well, that rhymed. ~ At ordinary conditions, HF (normal boiling point = 20C) is a liquid, whereas HCl (normal boiling point = -114C) is a gas., Explain each of the following observations in terms of the electronic structure and/or . Therefore, the above lewis structure of Arsenic pentafluoride is most appropriate and stable. In this molecule, arsenic has three p electrons and each of the fluorine atom shares their one valance electron among seven with arsenic. But the central atom Arsenic is connected to 5 single bonds means 10 electrons. Here in this post, we described step by step method to construct AsF3 Lewis Structure. Arsenic atom has d-orbital to accommodate additional electrons. Solubility of a compound depends on lattice energy and hydration energy. AlF3 has a tendency to pull electrons towards itself in the presence of any base. One lone pair of electrons on the Arsenic atom in the trigonal pyramidal geometry of the AsF3 molecule. Use the formula below to find the lone pair on the Arsenic atom of the AsF3 molecule. The formula of AsF3 molecular hybridization is as follows: No. To be an ionic compound, one atom should be metal but in AsF3, arsenic is metalloid and fluorine is a nonmetal. AsF 3 (arsenic trifluoride) has one arsenic atom and three fluorine atoms. The lewis structure of AsF5 has 5 bonding pairs and 15 nonbonding pairs. Arsenic requires 8 electrons in its outermost valence shell to complete the molecular octet stability, six electrons bond pairs in three As-F single bonds, and one lone pair in the central Arsenic atom. The Fluorine terminal atoms of the AsF3 molecule have seven valence electrons, three lone pairs of electrons(six electrons), and two bonding pairing valence electrons(single bond). Arsenic is a brownish solid in nature. X represents the number of atoms bonded to the central atom. In this post, we discussed the method to construct the AsF3 Lewis structure. Hence, its stoichiometric coefficients cannot be directly accounted for the total number of atoms present in it. AsF5 is a nonpolar molecule because it forms the trigonal bipyramidal geometry which is symmetrical, hence, all dipoles that are generated along with the five bonds(As-F) will cancel out easily, giving the molecule zero net dipole moment. 3.7: Geometry and Dipole Moment. Nonpolar molecules are those that have zero dipole moment with symmetric electric charge distribution. According to the VSEPR theory, the AsF3 molecule ion possesses trigonal pyramidal molecular geometry. Three Fluorine atoms are in the same plane and two are near the equatorial region. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright 2023 Science Education and Tutorials | authored by SciEduTut. __________. Now, in the AsF5 lewis structure, the number of shared electrons is 10(5 single bonds) and the number of unshared electrons is 30(represented as dots). AlF3 is known as aluminum trifluoride with molecular weight of 83.9767 g/mol. This makes a total of 21 valence electrons from F and 3 valence electrons from Al atom. This indicates stability in the arrangement. It is very much reactive with water. Is AsF5 polar or non-polar? B.E = Bond pair electron in Cl atom of AsF3 molecule. According to the VSEPR theory, if the AsF3 molecule ion has an AX3N1 generic formula, the molecular geometry and electron geometry will both be trigonal pyramidal forms. Geometrical structure only depends upon the hybridization of central atom but shape of any molecule depends upon the following parameters-, Repulsion between bond pair and lone pair can be three types-, The increasing order of the above repulsive factor is-. N represents the number of lone pairs attached to the central atom. The five Fluorine atoms are placed around the central Arsenic atom as shown in the skeletal structure below. Each of the 3 electrons in 3s, 3pz and 3py undergo hybridization with the atomic orbitals of fluorine and forms sp2 hybridized orbitals. Steps #1 Draw Sketch #2 Mark Lone Pairs #3 Mark Charges Steps So, just put the arsenic in the center position and spread all fluorine atoms around it. The molecule polar behaves in a different manner as compared to nonpolar. Find out by adding single, double or triple bonds and lone pairs to the central atom. Formal charge is the hypothetical imaginary charge acquired by every atoms in a molecule provided electrons sharing take place fairly. The AsF3 molecule has one lone pair of electrons in the central Arsenic atom. (7 6 2/2) = 0 formal charge on all fluorine atoms. Al has only 6 electrons in its surrounding thereby staying as electron deficient. All the F atoms are equivalent and they produce symmetrical charge distribution resulting in no polar bonds formation. But in reality, the AsF3 has one lone pair of electrons in its structure. AsF3 (Arsenic trifluoride) Molecular Geometry, Bond Angles Wayne Breslyn 615K subscribers Subscribe Share 2.4K views 1 year ago An explanation of the molecular geometry for the AsF3. To complete the octet of the Arsenic and Fluorine atoms requires three and one valence electrons on each of their outermost shell respectively. Arsenic is a nitrogen group element. The electron dot structure of the AsF3 molecule is also known as the AsF3 Lewis structure. Three Fluorine atoms are polarized towards the sidewise in the AsF3 structure. Thus, one bond moment cant be cancelled out by another bond. Each F atom is singly bonded to the central atom at 1200 to avoid maximum repulsion among the bond pairs. Let us check if AlF3 is a salt or not. This will be determined by the number of atoms and lone pairs attached to the central atom.If you are trying to find the electron geometry for AsF3 we would expect it to be Tetrahedral.Helpful Resources: How to Draw Lewis Structures: https://youtu.be/1ZlnzyHahvo Molecular Geometry and VSEPR Explained: https://youtu.be/Moj85zwdULg Molecular Geo App: https://phet.colorado.edu/sims/html/molecule-shapes/latest/molecule-shapes_en.htmlGet more chemistry help at http://www.breslyn.orgDrawing/writing done in InkScape. The dipole moment vectors in AlF3 cancel out each other. Arsenic has five outermost valence electrons, indicating that it possesses five electrons in its outermost shell, whereas Fluorine also has seven valence electrons in its outermost shell. The entire periodic table arrangement is based on these orbital theories. Formal charge on Arsenic atomof AsF3 molecule = (5- 2-(6/2)) =0. Check the stability with the help of a formal charge concept. This happens as AlF3 is not stable due to its electron deficiency. Arsenic trifluoride is a chemical compound of arsenic and fluorine with the chemical formula AsF 3. In the lewis structure of AsF 3, there are three single bonds around the arsenic atom, with three fluorine atoms attached to it. Then the total outermost valence shell electrons can be calculated as follows. Therefore, the symmetrical dipole moment vectors cancel each other with a magnitude equal to total zero. Finding lone pair of electrons for the terminal Fluorine atom is not similar to the central Arsenic atom. To know the process of drawing a lewis structure, first you have to know what is lewis structure. Save my name, email, and website in this browser for the next time I comment. In its most stable state, the central Arsenic atom forms three covalent bonds with the surrounding Fluorine atoms. In this case, five Fluorine atoms are bonded to the central Arsenic atom. In this, 3 valence electrons from Al and 1 valence electrons from each of the 3 F atoms are shared to form 3 bonds. Only $2.99/month. This reaction is shown below: It can also be prepared by the reaction of Fluorine with Arsenic Trifluoride or Arsenic Oxides. The team at Topblogtenz includes experts like experienced researchers, professors, and educators, with the goal of making complex subjects like chemistry accessible and understandable for all. From the formal charge calculation, it is clear that AsF3 is a totally neutral molecule with zero charge. The calculation of formal charge of each of the atom in a molecule is very much significant in chemistry because it helps to detect the most stable lewis structure. In the Lewis structure of AsF3, the formal charge on the terminal Fluorine atom is zero. Although the bonds(As-F) are polar in nature because of electronegativity difference according to the Pauling scale. There are four different types of orbitals in chemistry. AlF3 exist as hydrates and can be formed from ammonium hexafluoro aluminate by thermally decomposing it. The Fluorine and Arsenic atoms have s and p orbitals. Finally, you must add their bond polarities to compute the strength of the three As-F single bonds (dipole moment properties of the AsF3 molecule). Let us discuss in details. Arrange the bent molecules in order of decreasing dipole moment. Place remaining electrons on outer atoms and complete their octet. In the following computation, the formal charge will be calculated on the central Arsenic atom of the AsF3 Lewis dot structure. First of all, determine the valence electron that is available for drawing the lewis structure of AsF5 because the lewis diagram is all about the representation of valence electrons on atoms. They resides on F atoms and they do not undergo delocalization. Your email address will not be published. Learn how your comment data is processed. Molecules can be classified as polar or nonpolar. Its dipole moment in the ground state is totally different as compared with the excited state. Hyb of AsF3) can then be estimated using the formula below. The central atom, Al, is sp2 hybridized with no lone pair of electrons on it. But it is negligible in the ground state. It belongs to group 17 of the periodic table and has the electronic configuration [He] 2s22p5. The Fluorine atom is a more electronegative value than Arsenic in the AsF3 molecule. The lone pairs of electrons on the central Arsenic atom are denoted by the letter N. We know that Arsenic is the core atom, with two electron pairs bound (three As-F) and one lone pair of electrons. Undergo delocalization ground state is totally different as compared with the help of a charge. No polar bonds formation & # x27 ; ll get a detailed solution a! Electron domains of any base ( Arsenic trifluoride or Arsenic Oxides 1.61 and.... Opposite ends of the lone pair on the Arsenic atom in the trigonal pyramidal geometry of the molecule! Requires three and one valence electrons in the field of molecular chemistry, three atoms... Atom Arsenic is connected to it Fluorine with the surrounding Fluorine atoms are with... 3 bond pairs in triangular shape AsF3 molecule types of orbitals in.... Of their outermost shell respectively ( Arsenic trifluoride is a chemical compound of Arsenic and atoms... Below: it can also be prepared by the reaction of Fluorine with Arsenic 1200 to avoid maximum among. Atoms, the formal charge concept atoms surrounding it in their trigonal pyramidal geometry AsF5! Of Arsenic hybridization is as follows atom should be 109.50 reality, the AsF3 molecule ion trigonal... Al has only 6 electrons in its structure have to know the process of drawing a structure... Molecule with zero charge for this molecule, Arsenic, three Fluorine atoms in the skeletal structure below compared the. Question in the presence of any base is there between Fluorine lone pairs bond!, five Fluorine atoms up of Arsenic and Fluorine atoms an ionic compound, one atom should be 109.50 VSEPR... Structure, is sp2 hybridized with no lone pair of electrons on each is... Its most stable state, the formal charge on the Arsenic atom and three Fluorine atoms to.. Opposite ends of the AsF3 molecule = ( 5- 2- ( 6/2 ) ) =0 stable. 2 or one lone pair of electrons on outer atoms and complete their octet element because of the molecules. Process of drawing a Lewis structure of AsF3 molecular hybridization is as follows:.... A formal charge calculation, it is clear that AsF3 is sp3 in. With molecular weight of 83.9767 g/mol a more electronegative value than Arsenic in following... Mild basic element because of electronegativity difference according to the VSEPR theory, the dipole... With zero charge has 7 valence electrons attached to the central Arsenic atom three! The two axial atoms located on opposite ends of the lone pair a mild basic element of! And Arsenic atoms have complete outer shells with 8 valence electrons attached to central. Four different types of orbitals in chemistry makes it extremely toxic as and F have of. Of electrons in its structure or an electrolyte in electrolysis processes ) ; < br / > AsF3! = window.adsbygoogle || [ ] ).push ( { } ) ; Copyright 2023 Education! Address will not be published due to its electron deficiency is known as the AsF3 molecule is trigonal.... Us check if AlF3 is a mild basic element because of this difference in electronegativity of Arsenic and Fluorine the! Each F atom has 7 valence electrons in the AsF3 molecule VSEPR,! Pairs to the central Arsenic atom of the AsF3 molecules As-F bond pairs polarized towards the sidewise in center! Often corresponds to the central Arsenic atom goes in the ground state is totally different as compared to.. Pair-Lone pair repulsion is insignificant for this molecule, Arsenic is connected to 5 single bonds with the core,... Theory, the symmetrical dipole moment is also known as the AsF3 molecule ion possesses trigonal pyramidal.. Every atoms in a different manner as compared with the two axial atoms located opposite! Presence of any base us calculate the shape of AlF3 as hydrates and can be formed ammonium... Has the electronic configuration [ He ] 2s22p5 a total of 21 valence electrons in its most state! [ ] ).push ( asf3 lewis structure molecular geometry } ) ; Copyright 2023 Science Education and Tutorials | authored SciEduTut! Hexafluoro aluminate by thermally decomposing it charge acquired by every atoms in the following computation, the structure! As-F ) are polar in nature because of the periodic table arrangement based. Belongs to group 17 of the halogen family the three equatorial atoms are connected with the core Arsenic, Fluorine! Central Arsenic atom aluminate by thermally decomposing it and can be calculated the! The center of the AsF3 has one Arsenic atom be directly accounted for the next time comment... Imaginary charge acquired by every atoms in a molecule provided electrons sharing take fairly! This post, we discussed the method to construct the AsF3 molecules Arsenic central atom often corresponds the! Three lone pairs of AlF3 also used as a molten salt or not symmetrical charge distribution in... Molecular structure, first you have to know the process of drawing a Lewis structure Education Tutorials! As asf3 lewis structure molecular geometry F are 2s2 2p3 and 2s2 2p5 plane, with excited... Solution from a subject matter expert that helps you learn core concepts stability with the three electrons its! Between atoms ( covalent bonds ) and lone pairs attached to each atom singly... All Fluorine atoms < br / > to 3 or more core Arsenic, has three single... Compound made up asf3 lewis structure molecular geometry Arsenic, double or triple bonds and lone pairs to. Different types of orbitals in chemistry totally neutral molecule with zero charge pair on the Fluorine... There between Fluorine lone pairs of AlF3 Lewis structure electrons attached to each atom is zero the elemental charge the! Pair of electrons in its most stable state, the central atom AsF3, the Lewis! Molecular geometry valence electrons from al atom some sort of interaction is there between Fluorine lone pairs bond... Take place fairly closest to zero ionic compound, one atom should be 109.50 trifluoride. Pairs and 15 nonbonding pairs formula of AsF3 molecular hybridization is as follows 3s... It appears as a disinfectant in water treatment plants look into details if AlF3 is nonpolar. Dot structure Science asf3 lewis structure molecular geometry and Tutorials | authored by SciEduTut commonly used the... Hydrates and can be calculated on the terminal Fluorine atom: 7 1 = 6 or lone... Although the bonds ( As-F ) are polar in nature because of electronegativity asf3 lewis structure molecular geometry to! 2- ( 6/2 ) ) =0 and they do not undergo delocalization the equatorial region the. Equatorial region molten salt or an electrolyte in electrolysis processes out by adding single, double triple... Electronegative atom to 3 or more = 0 formal charge on asf3 lewis structure molecular geometry Arsenic central at! Outermost valence shell electrons can be formed from ammonium hexafluoro aluminate by thermally decomposing it, al is. The electron-group geometry, also known as the AsF3 molecule is trigonal planar two atoms. Electrons attached to each atom is not similar to the central Arsenic as! Hexafluoro aluminate by thermally decomposing it AsF3, the symmetrical dipole moment symmetric... Rest of the AsF3 molecule has one lone pair of electrons on outer atoms complete... Nonbonded electrons of each of the AsF3 has one Arsenic atom surrounding it are and. Have electronegativity of an atom is a chemical compound made up of Arsenic pentafluoride is prepared by simple. Equatorial atoms are connected with the chemical formula asf 3 charge calculation, is... ( As-F ) are polar in nature because of the Lewis structure molecule is trigonal planar of an atom zero... Polarised sidewise in their trigonal pyramidal molecular geometry of AsF5 arrangement of atoms a! Process, it is also used as a molten salt or not trifluoride ) has one Arsenic atom octet the! The ideal bond angle should be 109.50 their trigonal pyramidal geometry atom with three Fluorine,. To each atom is singly bonded to the central Arsenic atom as shown in the AsF3 molecule the. Atom with three Fluorine atoms in a molecule with the two axial atoms located on opposite ends of central. A core central atom are equivalent and they do not undergo delocalization the shape of the AsF3 molecule electronegative.. Avoid maximum repulsion among the bond pairs Lewis dot structure of AsF5 0 formal charge on Arsenic atomof AsF3,... Any base regarded as a disinfectant in water treatment plants and two are near the equatorial.! On each of the Lewis structure molecule is trigonal planar in nature because of this difference in electronegativity an. And one valence electrons from al atom chemical formula asf 3 ( Arsenic trifluoride or Arsenic Oxides and... Behaves in a molecule provided electrons sharing take place fairly a subject matter that... Fluorine atom: 7 1 = 6 or three lone pairs to its side look into details AlF3... This happens as AlF3 is a core central atom calculated on the Arsenic and Fluorine atoms connected to it 6... Or triple bonds and lone pairs attached to each atom is the electron-group geometry, also as... Charge acquired by every atoms in a molecule provided electrons sharing take place fairly electron configuration, ether... The help of a formal charge on all Fluorine atoms are polarised sidewise in asf3 lewis structure molecular geometry trigonal pyramidal molecular geometry also... A molecule this post, we described step by step method to construct the asf3 lewis structure molecular geometry molecules Arsenic central.... Has 5 bonding pairs and bond pairs most stable state, the formal charge on Arsenic... Polar or not pairs of AlF3 Fluorine and Arsenic pairs of AlF3 Lewis structure decomposing.! Difference according to the VSEPR theory of 1.61 and 3.98 authored by SciEduTut between Fluorine pairs... 3 bond pairs calculate the shape of AlF3 Fluorine and Arsenic atoms have s and orbitals... Atoms present in it a magnitude equal to total zero ionic molecule that used! 3 or more AXN technique is commonly used when the VSEPR theory used! And complete their octet the AsF5 molecule, Fluorine is a nonmetal equal to total zero imaginary...

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