Question

how can we know if element is metal or non metal from its valency

Answer 1

HEY HERE IS YOUR ANSWER ❤️❤️

IF VALENCY OF A ELEMENT IS 1,2,3 THEN IT IS A METAL BECAUSE IT HAS CAPACITY TO LOSE ITS ELECTRON.

IF VALENCY OF A ELEMENT IS 5,6,7 THEN IT IS A NON METAL BECAUSE IT HAS CAPACITY TO GAIN ELECTRON.

HOPE HELPFUL FOR YOU ❤️❤️