ATOM NOTES 3.21
- Element - Substance that cannot be broken down by chemical means. Have specific amounts of protons.
- Atom - Smallest possible particle of an element. Makes up everything around you.
In any atom, there are three things that are equal. Think..APE
Atomic #
Protons
Electrons
Mass #
Atomic #
NUetrons
Atomic #
Protons
Electrons
Mass #
Atomic #
NUetrons