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3 votes
Which is the correct order?

a. 3s, 4s, 3p, 3d
b. 4s, 3s, 3p, 3d
c. 3s, 3p, 3d, 4s
d. 3s, 3p, 4s, 3d

1 Answer

4 votes
D, it’s the only one that follows the correct order
User Aquilesb
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