Radon, being a noble gas, has 8 valence electrons, giving it a stable octet.
Radon has 8 valence electrons (electrons in it's outer shell) so does Ne, Ar, Kr, Xe. Helium is in the same line, but only has 2 valence electrons. Hope that helps! Sarah G.
The noble gas configuration of francium is [Rn]7s^1, where [Rn] represents the electron configuration of radon, a noble gas element. Francium has one valence electron in the 7s orbital, making it highly reactive.
The noble gas notation for berkillium (Bk) is [Rn] 5f^9 7s^2. This notation indicates that berkillium has the same electron configuration as radon (Rn) for its inner electrons, followed by 5f^9 7s^2 for its valence electrons.
The electron configuration of copernicium is: [Rn]5f14.6d8.7s2.
3 valence electrons
5
Rn or Radon is a noble gas, and has 8 Valence Electrons
Lawrencium is a trivalent chemical element.
Radon has 8 valence electrons (electrons in it's outer shell) so does Ne, Ar, Kr, Xe. Helium is in the same line, but only has 2 valence electrons. Hope that helps! Sarah G.
The noble gas configuration of francium is [Rn]7s^1, where [Rn] represents the electron configuration of radon, a noble gas element. Francium has one valence electron in the 7s orbital, making it highly reactive.
8 valence electrons (so do all of the other noble gases)
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A cesium atom has 1 valence electron. It is an alkali metal, and all alkali metals have 1 valence electron. The electron configuration for cesium is (Rn)7s1. The single electron in the 7s sublevel is its valence electron.
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it depends on the type of element
7s1 because the definition of valence electrons are the outermost s and p electrons therefore in this case there is only an outermost s electron and therefore the answer is 7s1. NOTE:IT DOES NOT INCLUDE THE D AND THE F ELECTRONS!!!!Other valence configuration examples include;Nitrogen : 2s2 2p3Chlorine : 3s2 2p5Zinc: 4s2Bromine: 4s2 4p5
The noble gas notation for berkillium (Bk) is [Rn] 5f^9 7s^2. This notation indicates that berkillium has the same electron configuration as radon (Rn) for its inner electrons, followed by 5f^9 7s^2 for its valence electrons.