Question

Which elements have their highest energy electrons in "s" atomic orbitals? (Points : 3) H, He, Ne O, Se, Po Na, Sr, Fr Cs, Hf, Tl

Answer 1

Ne, Po, Fr, Ti

Answer 2

You should use the periodic table, looking for the s element. The answer are Na, Sr, and Fr.

Answer 3

But isn't it the electronic configuration?

Answer 4

@Lizzy14 Yes. It is about the electron configuration. You'll need to find the element that has the last electron in sub-level s

Answer 5

Oh! Ok, thanks so much for explaining :)

Answer 6

You are welcome