write the electronic configaration of 21
Answers
Answered by
1
Answer:
2,8,8,3
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Answered by
1
Answer:
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Explanation:
21-scandium- [Ar]3d14s2
Or
1s2, 2s2, 3s2 3p6 4s2 3d1
or
2,8,8,3
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