1.
A subatomic particle with a positive charge.
2.
A subatomic particle with no charge.
3.
Atomic ___ is always equal to the number of protons.
4.
Atomic ___ is equal to the number of protons plus neutrons.
5.
___ is determined by the number of neutrons of an atom.
6.
The measurement of the amount of particles.
7.
Where an electron most likely is.
8.
___ electrons are the ones on the outermost energy level.
9.
The model of an atom where the first level holds two electrons and any additional level can hold up to eight electrons.
