Question

the total no of electron in nitrogen au7. what is valency
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Answer 1

Answer:

7 electron 7 proton 7 neutron

at mass is 14

at no is 7 electron proton always same as at no.

Answer 2

Answer:

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Explanation:

Nitrogen is found to have either 3 or 5 valence electrons and lies at the top of Group 15 on the periodic table.

Name and SymboL                                                        Nitrogen, N

Atomic    Weight                                                             14.0067

Group                                                                           15

Electron Configuration                                            1s2 2s2 2p3

Valence Electrons                                                         2, 5