Term | Definition |
matter | everything that has mass and takes up space |
element | the ingredients that make up all other substances |
metals | conductors of heat and electricity |
nonmetals | do not conduct heat |
semimetals | sometimes like metals and sometimes like nonmetals |
atom | the smallest part of an element |
atomic theory | states that everything is made of atoms |
compound | a type of matter made of two or more elements |
molecule | smallest particle of a compound |
proton | positive charge |
neutron | no charge |
electron | negative charge |
solid | has a definite volume or shape |
liquid | has a definite shape but not volume |
gas | no definite volume or shape |
plasma | like gas but conducts electricity like metal |
melting point | Solid to liquid or liquid to solid. Same temperature as freezing poin |
evaporation | When liquids become a gas |
condensation | when gas becomes a liquid |
boiling point | the temperature when evaporation accurs |
solution | A mixture where substance spreads out evenly and will not settle |
solute | the substance being disolved |
solvent | What the substance is dissolved in |
solubility | A way to measure how much a material dissolves into another |