Answer:
orbitals s p d f
l(orbital number) 0 1 2 3
energetic region n l Er= n + l
7f 7 3 7+3 = 10
5d 5 2 5+2 = 7
3s 3 0 3 + 0 = 3
6p 6 1 6 + 1 = 7
4f 4 3 4 + 3 = 7
6d 6 2 6 + 2 = 8
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Explanation:
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