Question Number 22679 by Tinkutara last updated on 21/Oct/17
$$\mathrm{Maximum}\:\mathrm{covalency}\:\mathrm{of}\:\mathrm{nitrogen}\:\mathrm{is} \\ $$$$\mathrm{equal}\:\mathrm{to} \\ $$
Commented by math solver last updated on 21/Oct/17
$$\mathrm{4} \\ $$
Commented by Tinkutara last updated on 21/Oct/17
$$\mathrm{Why}\:\mathrm{4}?\:\mathrm{Why}\:\mathrm{not}\:\mathrm{5}? \\ $$
Commented by Tinkutara last updated on 22/Oct/17
$$\mathrm{math}\:\mathrm{solver}\:\mathrm{please}\:\mathrm{explain}. \\ $$