3 years ago

What's the electron configuration of an N-3 ion?

2 answers:

6 0

[He] 2s2 2p3
this would be the answer, so i’m going to infer from the choices that it is [He]

3 0

Answer:

B) He

Step-by-step explanation:

This ion has gained 3 valence electrons, meaning it is a full octet or all 8 valence electrons in its outer most shell

The only atom there that is a noble gas or full octet is He or Helium

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