An element having mass number 14 find the valency and atomic number
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Atomic number: 7
Valency: 3
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mass no = atomic mass
so atomic mass = 14 g
so it is nitrogen
by electric configuration
L shell gas 5 nos of electrons
so it's valency = 8-5 =3
and atomic no of nitrogen =7
so atomic mass = 14 g
so it is nitrogen
by electric configuration
L shell gas 5 nos of electrons
so it's valency = 8-5 =3
and atomic no of nitrogen =7
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