If Z = 3, what would be the valency of the element? Also, name... - Science

Question

If Z = 3, what would be the valency of the element? Also, name the element.

Answer

Atomic Number (Z) = 3
Electronic Configuration: 2, 1
Valency: Since it has 1 electron in the outermost shell, it loses 1 electron. Valency = 1.
Name of the Element: Lithium (Li).

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Subject: Science
Class: class 9
Chapter 4: Structure of the Atom
Medium: English Medium