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The Language of Chemistry — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYThe Language of Chemistry1 Mark
Question
What is thevalencyof :
Magnesium in $Mg_3N_2$​​​​​​​
✓

Answer

The valency of Mg is 2 where the valency of N is 3.

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