Science, asked by omm29, 1 year ago

an element x shows two valencies of 3 and 5 . workoit the formulae of 2oxides of this element

Answers

Answered by dhruvmittalji

element x = phosphorus

omm29: how

dhruvmittalji: because phosphorus atomic number is 15 so in k shell 2 in l shell 8 and m shell 5 we know that if in outermost shell velency is more then 4 we subtract it with 8 so 8-5=3

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