Question

Use the periodic table to correctly describe the arrangement of electrons in an oxygen atom. Check all of the
boxes that apply.

Answer 1

Answer:

second option and last option

Explanation:

Know how to do an electron configuration. This is correct because it adds up to 8 and is in the correct order.

All valence electrons are in the last shell. In this case, 2p is the last shell.

Answer 2

Answer:

It's the second and the second to last

Explanation: