Question

An atom X has three electrons more than the noble gas configuration what type of ion it will form write the formula of its nitrate, phosphate,carbonate ,hydroxide

Answer 1

Valeny of X is 3 n its a metal as it has < than 4 electrons in its outermost shell
Formula of nitrate - X(NO3)3
Formula of phosphate - XPO4
Formula of carbonate - X2(CO3)3
Formula of hydroxide - X(OH)3

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