#67 ADA sample test gen chem

[rjm546]

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The electronic configuration of a
particular neutral atom is
1s22s22p63s23p2. What is the number of
unpaired electrons in this atom?

The answer is 3 but I came up with 2.

Why is it 3?

Thanks

 

[PreDental88]

The electronic configuration of a
particular neutral atom is
1s22s22p63s23p2. What is the number of
unpaired electrons in this atom?

The answer is 3 but I came up with 2.

Why is it 3?

Thanks

Hm, I came up with 2 as well. Maybe they were implying that there were 3 unfilled orbitals?