how many valence electrons can gold have?
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Gold (Au) atomic number 79 has an electronic structure 2, 8, 18, 32, 1. So straight away from this fact, you would say it has 1 valence electron, its outer single electron.
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As you know, an element's valence electrons are simply the electrons located on the outermost energy level, i.e. on the highest occupied energy level. Therefore, you can say that an element located in group 5A has 5 electrons on its highest occupied energy level.
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Answer and Explanation: Fluorine has 7 valence electrons.
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In any event, you must start with Xe and 4 O atoms, and note that there are 8 + 4x6 = 32 total valence electrons. The Xe atom is attached to all four oxygen atoms. Four bonds = 8 electrons, so you have 24 electrons left.
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Answer and Explanation: Vanadium has five valence electrons.
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The Group 6A elements have six valence electrons in their highest-energy orbitals (ns2np4). This is only two electrons away from having a full octet of eight electrons, so many of these elements form anions having -2 charges: oxide, O2-; sulfide, S2-, selenide, Se2-, etc.
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The Group 1 atoms have 1 valence electron. The Group 2 atoms have 2 valence electrons. The Group 3 atoms have 3 valence electrons. The Group 4 atoms have 4 valence electrons.
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Vanadium has five valence electrons. The two electrons in the 4s sub-shell, and...
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Answer and Explanation: Magnesium has 2 valence electrons.
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According to the list of elements given in the perioidc table gold has atomic number 79. Consequently, and 197 Au atom has 79 protons,79 electrons and 197-79 = 118 neutrons.
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Group 2A elements have 2 valence electrons. Group 3A elements have 3 valence electrons.
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there are 15 electrons in total, there must be 5 electrons at the third energy level. there are 3 energy levels, so the electrons at the third are outer, or valence, electrons. this means that there are 5 valence electrons. all neutral atoms of the elements in group 5 have 5 valence electrons.
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Answer and Explanation: An atom of sulfur has six valence electrons. For all elements that are not transition metals, the number of valence electrons is equal to its group,...
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It has 6 valence electrons. A 2− charge indicates that the atom has gained 2 electrons.
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There are a total of 48 valence electrons in the Lewis structure for SF6. Note that Sulfur (S) is in Period 3 on the periodic table and can have an expanded octet and is able to have more than 8 valence electrons.
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The Group 4 atoms have 4 valence electrons. The Group 5 atoms have 5 valence electrons. The Group 6 atoms have 6 valence electrons. The Group 7 atoms have 7 valence electrons.
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We have 14 valence electrons for Br2. We'll put two between atoms to form a chemical bond.