Using the periodic table, All in the following table with the number of electrons in each energy level of the element given n - 1 level
n-2 level
n - 3 level
n-4 level
Element
(maximum 2) (maximum 8) (maximum 18)
Phosphorus 8
2
5
1

Explanation:

4 level please trust me ok

I think its level 3

hope this helps

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation: