click below
click below
Normal Size Small Size show me how
Chapt 3 words
Question | Answer |
---|---|
Matter | Everthing that has mass or takes up space |
Elements | The ingredientes that make up all other substances. Cant be broken down into other subtances |
Meteals | good conducters of electricity and heat. can bend without breaking. most are grey |
Nonmetals | Do not conduct heat and electricity very well. May be a gas of solid |
Atoms | The smallest part of an element that still acts like a element |
Compound | A type of matter made of two or more elements |
sedimetals | Sometimes like metals and sometimes like nonmetals |
atomic theroy | States that everthing is made of atoms |
molecule | Smallest particle of a compound that still acts like that compound |
proton | Positive charge. Found in nucleus |
neutron | No charge. Found nucleus |
electron | negative charrge. Orbits the nucleus |
SOLID | Has a definite volume or shape. Particles are very close together, and don’t move past each other. Keeps its shape. |
LIQUID | Has a definite volume but not shape. Particles can move past each other. Takes shape of container |
GAS | No definite volume or shape. Particles spread out evenly and take shape of container. Can be squeezed into a smaller volume |
PLASMA | Like a gas, but conducts electricity like a metal. Occurs with high temps or electric charge. |
MELTING POINT | Solid to liquid or liquid to solid. Same temperature as freezing point. |
EVAPORATION | When liquids become a gas |
CONDENSATION | When gas becomes a liquid. Gas particles touch a cold surface and the temperature drops. |
BOILING POINT | The temperature at which evaporation occurs |
MIXTURE | Two or substances that mix together but each keeps its own identity |
SOLUTION | A mixture where substance spreads out evenly and will not settle |
SOLUTE | The substance being dissolved |
SOLVENT | What the substance is dissolved in |
SOLUBILITY | A way to measure how much a material dissolves into another |