Answer:
C.3
13AL
2.8.3
The number of electrons from the outermost shell is the valence of the element.
[OH⁻]= 1 x 10⁻¹⁴ : 4.8 x 10⁻⁴ = 2.083 x 10⁻¹¹
20
Explanation:
because it is first before the small intestine and it digests food first
