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Atom The smallest part of an element
Atomic mass The sum of the number of protons and neutrons
Atomic number The number of protons in the nucleus of an atom
Chemical Change A change that occurs when one or more substances are changed into a new substance with different properties (a chemical change can not be undone by physical means)
Compound A new substance made when two or more elements combine chemically
Density How much matter is put in a given volume of space
Dissolve When one substance is incorporated into a liquid
Electron A negatively changed particle that orbits the nucleus of an atom
Element A substance that can not be broken down into another substance
Mass The amount of matter in an object
Mixture A combination of two or more substances that do not lose their identifying characteristics when combined
Molecule The smallest part of a substance that still has the properties of that substance
Neutron A particle with no charge found in the nucleus on an atom
Nucleus The center of an atom, contains most of the mass of the atom by housing the protons and neutrons
Physical Change A change that occurs when one or more physical properties of a substance are changed (many physical changes can be undone by physical means)
Proton A positively charged particle found in the nucleus of an atom
Solute The part of a solution that dissolves into another substance(sugar, Kool-Aid, salt, etc.)
Solution A mixture in which one substance dissolves in another
Solvent The part of a solution in which another substance dissolves (water, milk, etc.)
Created by: Whit29more