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Phys. & Chem. Change
Question | Answer |
---|---|
a change that occurs without changing the identity of the substance | physical change |
a change that occurs by changing the identity of the substance | chemical change |
when 2 or more substance are combined physically | mixture |
when 2 or more substances are combined chemically and can't be separated by physical | compound |
parts are mixed evenly throughout (same) | homogeneous mixture |
parts are uneven throughout (different) | heterogeneous mixture |
type of mixture where the solute is dissolved/mixed evenly in the solvent | solution |
the part of the solution that dissolves | solute |
the part of the solution that the solute dissolves in | solvent |
smallest unit of matter | Atom |
one of the 100 or more units that make up all matter, and found on the Periodic Table | element |
how much matter is in some thing | mass |