Two or more different types of atoms bonded together.
molecule
compound
Holds compounds or molecules together.
bonds
james
Found in the nucleus of an atom.
proton
electron
Has a positive charge
neutron
proton
When a substance either freezes, melts, vaporizes or condenses and remains the same compound.
Phase change
Chemical Reaction
Density is the
amount of mass per cubic centimeter of volume of an object.
amount of volume of a substance
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