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If Z = 3, what would be the valency of the element? Also, name the element.
The atomic number of an element is equal to the number of protons in the nucleus of its atom. The atomic number is denoted as Z.
Z = 3.
Therefore, the electronic configuration = 2, 1.
The electronic configuration of an element is a symbolic notation of the manner in which the electrons are distributed over different atomic or molecular orbitals.
For example, the electron configuration of the neon atom is 1s2 2s2 2p6.This means that the 1s, 2s and 2p subshells are occupied by 2, 2 and 6 electrons, respectively.
Valency = 1
Valency is the ability of an atom to gain or lose electrons in order to achieve the noble gas configuration. It is the combining capacity of an element with another to fulfill its octet.
Hence, the name of the element is lithium.
Updated on: 14-Mar-2023
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