Question

How does number of:
i) valence electron and
ii) valency vary on moving from left to right in the second Period of the periodic table?

Answer 1

HEYA,

• IN PERIODIC TABLE, WHEN MOVED LEFT TO RIGHT IN THE PERIOD, THE VALENCY INCREASES BY ONE ELECTRON AND VALENCED SHELL REMAINS THE SAME.

• BUT ON MOVING DOWN THE GROUP, VALENCED SHELL INCREASE BY ONE AND VALENCED ELECTRONS REMAIN THE SAME.

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