Question

Answer the following questions as directed:
19. State the valency of magnesium.​

Answer 1

Answer:

2+

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Answer 2

Answer:

The Atomic number of Magnesium(Mg) is 12. The electronic configuration of Mg is 2,8,2. To attain nearest noble gas configuration or to attain octet, Mg donates it outermost 2 electrons to give rise to Mg^2+ ions.

Thus, valency of Magnesium is 2.