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08/10/2021 4:50 pm
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Rewrite the following statements after correction, if necessary:
(i) Elements in the same period have equal valency.
(ii) The metallic character of elements in a period increases gradually on moving from left to right.
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08/10/2021 4:51 pm
(i) Elements in the same group have equal valency.
(ii) The metallic character of elements in a period decreases gradually on moving from left to right.