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Scandiumhas 21 electrons in total. Which of the following is the electronic configuration for Sc3+?
Scandium
has 21 electrons in total. Which of the following is the electronic configuration for Sc
1s²2s²2p⁶3s²3p⁶3d¹ 4s²
[Ar]3d¹
[Ar]
3d¹
1s²2s²2p⁶3s²3p⁶4s²3d¹
[Ar]3d¹ 4s²
3d¹ 4s²
1s²2s²2p⁶3s²3p⁶
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