an element x belong to 4rth period and 17th group state 1. no. of valence electrons in it. 2. name of the element. 3.name the family to which it belong. 4.write the formula of the compound formed when it react with y
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Answer: Since the element belongs to the 17th group and 4th period it is Bromine, having seven valance electrons in the outermost shell and having a valency of one belonging to the group of halogens
Explanation:
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