Plz answer only q.17
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1
Explanation:
they belong to period 3 .They form elctrovalent bond. Chemical formula is Mg, S. Compound is MgS
Answered by
1
Explanation:
1 . both X and Y belong 3rd period because both have three shells.
2. Ionic bond will be formed
3. chemical formula XY.
(MgS)
x is magnesium and Y is sulphur
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