Positive charge, circles the atom.
PROTON
Up and down of the periodic table.
GROUPS
This measures the number of atoms in the substance.
MASS
This has a neutral charge inside the atom.
NEUTRON
This has a negative charge that circles the nucleus.
ELECTRON
The thing that the electrons are in.
ELECTRON CLOUD
Atoms that work together well.
REACTANTS
The substance that is formed from a chemical reaction.
PRODUCTS
The number of electrons on the outer-most ring.
VALENCE ELECTRONS
These go from side to side on the periodic table.
periods
The center, or brain of the atom.
nucleus