7th grade help me plz

Explanation:

1. Atomic mass number of an element equals:

The number of protons in an atom?

2. H20 chemical formula is an example of:

Molecules and compound

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

let that person have a turn to speak : )