How non-metallic property vary along a period and why?
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From right to left across a period, metallic characterincreases because the attraction between valence electron and the nucleus is weaker, enabling an easier loss of electrons. Metallic characterincreases as you move down a group because the atomic size is increasing. ... This causes an increase in metallic character.
From right to left across a period, metallic characterincreases because the attraction between valence electron and the nucleus is weaker, enabling an easier loss of electrons. Metallic characterincreases as you move down a group because the atomic size is increasing. ... This causes an increase in metallic character.
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Heya mate your answer
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