Question

What is the electron configuration for an electrically neutral atom of neon (Ne)?

Use the periodic table.

Responses

1s22s22p44d2
1 s squared 2 s squared 2 p to the power of 4 4 d squared

1s22s22p6
1 s squared 2 s squared 2 p to the power of 6

1s22s22p4
1 s squared 2 s squared 2 p to the power of 4

1s22s2

Answer 1

Correct answer: 1s2 2s2 2p6 (option 2).

Reason: Neon has atomic number 10, so a neutral Ne atom has 10 electrons, which fill 1s (2), 2s (2) and 2p (6).