Question

explain following properties period and group valency and atomic size (2+3) ​

Answer 1

Answer:

Valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules. (ii). Atomic size is determined by the atomic radius. For an isolated atom, its atomic radius is the distance between the center of the atom (i.e. center of its nucleus) and its outermost shell.

Answer 2

Answer:

YeH SHAYARI KISE DEDICATE KI THI AAPNE??