Question

Explain the valence and atomic size, metallic character of elements in modern periodic table!!​

Answer 1

Answer:

On moving from left to right in the periodic table, valency increases up to 4 and then decreases. Valency of a particular element is determined by the electrons present in the last shell. ... ii) On moving from left to right in a period, the atomic size and metallic character of elements decreases.

Explanation: