Shape and size doesn't affect the density of an object but temperature does affect the density of an object because the molecules act differently in different temps.
Yes, it can - HBr is its chemical formula.
If you had other options though, then the one which wouldn't be a valid chemical formula is aluminum (III) chloride, because, since it only has one charge (+3), it is unnecessary to state it as III.
I believe A. Neither can change the number of atoms of each element that are present
Answer:
D.
Explanation:
Because protons and neutrons make up the mass of an atom.
