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ChemistryChemistry
12 December, 00:52

Which of the following elements would most likely form an ion with a + 2 charge?

Si.

C.

Mg.

Na.

P.

+2
Answers (2)
  1. 12 December, 01:08
    0
    The correct answer to this is Mg.

    Explanation:

    Mg is the second element at the Periodic Table, down Be. As its the oxidation number is 2, it can release two electrons to form compounds. Not like C that is tetravalent, or Na that is a monovalent element (1e-). Si, as C has 4 oxidation states, and phosphorus can lose or get 3 e - (for example PCl3), also get 5e - (for example P2O5)
  2. 12 December, 01:18
    0
    Mg

    Explanation:

    Magnesium has a valency of + 2
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