D. The number of electrons equals the atomic number for a neutral element. Each number after the letter refers to the number of electrons in that shell. So for D, 2+2+6+2+6+2 = 20 electrons, which is equal to the atomic number.
Answer:
c
Explanation:
I think it is right not sure but hope it helped
The head of the phospholipids molecule is attracted to water, the tail repels water
I believe dimensional analysis
