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27 votes
27 votes
Please help me with this

Please help me with this-example-1
User Gerry Mantha
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2.9k points

2 Answers

19 votes
19 votes

Answer:

3s orbital

Step-by-step explanation:

3s is the outermost orbital of magnesium and it loses electron from it, it doesnt even have 4f, 5p or 3d orbitals.

User Jake Hoffner
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3.1k points
22 votes
22 votes

Step-by-step explanation:

Magnesium representation : 1s²2s²2p⁶3s².

therefore, to become Mg2+ ion Magnesium losses electron from its 3s orbital to form 1s²2s²2p⁶.

therefore option C is correct.

hope this helps you.

User Mic
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2.5k points