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What is the maximum number of electrons th eouter most valence energy level can hold?
Wiki User
∙ 14y ago
The maximum number of electrons that any atom can hold in its outer valence is 8. Oxygen has the electron configuration of 1s2 2s2 2p4, which means it can accept two more electrons.
Wiki User
∙ 9y ago
The maximum number of electrons that the outermost valence energy level can hold is 8. This is true for most elements, as the valence energy level typically holds no more than 8 electrons in accordance with the octet rule.
Wiki User
∙ 14y ago8.
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Which one would have smaller atomic size sodium or magnesium?
Both Mg and Na have the same outer energy level (shell). Mg has one proton more than NA and one electron more. The charge on th eouter shell the effective nuclear charge is reduced by the inner core electrons, which are the ame in both cases So the pull experienced by the valence electrons towards the nucleus is more in the case of Mg than Na. Hence Mg has slightly smaller size (radius) than Na.
What is the electron group arrangement for NH3?
The electron group arrangement for NH3 is trigonal pyramidal. It has three bonding pairs and one lone pair of electrons around the central nitrogen atom, resulting in a shape resembling a pyramid with a triangular base.
