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प्रश्न
Complete the Following Statements :
Magnesium has 2 valence electrons in the ............. shell.
The valency of nitrogen in N2 molecule is .............
रिकाम्या जागा भरा
उत्तर
Magnesium has 2 valence electrons in the M shell.
The valency of nitrogen in N2 molecule is 3.
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