How many electrons are in the third energy level?

2
8
18
20

B)8

Explanation:

In the first energy level you can have, at most, 2. Every energy level after that wants to have 8 electrons. Valence electrons I believe.

Hope this helps, have a nice day! (^-^)

false.

explanation:

this statement is false. after falling for 5 seconds, its speed will not be 100 m/s.