140,172 views
20 votes
20 votes
What's the electron configuration of an N-3 ion?

Question 3 options:

A)

[Ar]

B)

[He]

C)

[H]

D)

[Ne]

User Allmighty
by
3.4k points

1 Answer

22 votes
22 votes

N means nitrogen

Lets look at the EC


\\ \sf\bull\longmapsto 1s^22s^22p^3

  • -3 means it has got 3 electrons


\\ \sf\bull\longmapsto 1s^22s^22p^6


\\ \sf\bull\longmapsto [Ne]

User Hwrd
by
2.3k points