In third period of the Periodic Table; at first the valancy increases and then decreases. This happens with nearly all the periods except period no. ... increases which increases the valence shell electrons. When these electrons reach to a maximum of four, till then the valency increases from 1, 2, 3, 4 but when the no
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In third period of the Periodic Table; at first the valancy increases and then decreases. This happens with nearly all the periods except period no. ... increases which increases the valence shell electrons. When these electrons reach to a maximum of four, till then the valency increases from 1, 2, 3, 4 but when the no