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Science Ch 7,8,9 TTK
FINAL
Term | Definition |
---|---|
atom classify | small particle that is a building block of matter |
compound | type of substance containing atoms of two or more different elements chemically bonded together |
density | mass per unit volume of a substance |
solubility | ability of one substance to dissolve in another |
solid | matter that has a definite shape and volume |
liquid | matter with a definite volume but not definite shape |
kinetic molecular theory | explanation of how particles in matter behave |
gas | matter that has no definite shape or volume |
atom | smallest piece of an element that still presents that element |
nucleus | small area in center of atom where most of an atom's mass and positive charge is concentrated |
atomic number | number of protons in an atom of an element |
isotope | atoms of the same element that have different numbers of neutrons |
ion | an atom that is no longer neutral because it has gained or lost electrons |