If a student added water to her cola what change would you expect to see in the ph level

You would expect it to go down

Explanation:

This is because she is essentially watering down, causing the Ph level to go down too.

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.