Question | Answer |
matter | something that has mass or takes up space |
element | ingredients that make up all the other substances |
metals | good conductor of heat and electricity. bend without breaking |
nonmetals | not good at conductor with heat and electricity |
semimetals | something like metal and something like nonmetal |
atoms | smallest part of an element that still acts like a element |
atomic theory | idea that everything is made of small particles |
compound | type of matter made of two or more elements |
molecules | smallest particle of compound that still acts like a compound |
proton | positive charge. found in the nucleus |
neutron | no charge. found in the nucleus |
electrons | negative charge. orbit the nucleus |
liquid | Definite volume but no space, particles can move past each other, takes shape of container |
gas | No definite volume and no shape, particles spread out evenly and takes shape of container, can be put in smaller place |
soild | definite shape and volume, particles are very close together, and don't move past each other, keep shape |
plasma | Like a gas, but conduct elecricity like a metals. occurs with high temps or electric charge. |
melting point | melting = solid to liquid |
evaporation | when a liquid become a gas |
condensation | when gases become liquid |