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Grade: 12th pass

                        

Out of Ca2+, Al3+, N3-,F- which has the same no. of electrons in its outermost shell and penultimate shell?

3 years ago

Answers : (2)

Chemistry Expert - askIITians
askIITians Faculty
36 Points
							Among the following, N3- and F- have same no. of electrons in the outermost shell (nth shell) and penultimate shell [(n-1)th shell]

They both have an electronic configration of 1s22s22p6.
3 years ago
Niharika
18 Points
							Ca2+=18e-and Al3+,N3-,F-=10 e-,all 4 have same  8 electrons in valence shell and Al3+,N3-,F- have same 2 electrons in penultimate shell.
						
2 years ago
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