Question

how does the valency of an element vary across a period?​

Answer 1

Answer:

across a period the valency of an element remains the same

Answer 2

Hii mate!! here is ur ans;

STAY HAPPY ALWAYS..

☆*:. o(≧▽≦)o .:*☆

_____________________________________

The valency of an element depends the availability of an electrons (or electrons) in its valence shell i.e on its valence electrons. Across the period, first it increases from 0 to 4 and then starts decreasing from 4 to 1.

______________________________________

Hope it helps u!! Plzz mark me as BRAINLIEST.. ~$€❤nice to meet u✔✔

FOLLOW ME... ❤