Rewrite the following statements after correction, if necessary : (i) Elements in the same period have equal valency
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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(i) Elements in th e same group have equal valency.
(ii) The metallic character of elements in a period decreases gradually on moving from left to right
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