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matter
| Question | Answer |
|---|---|
| anything that has mass and takes up space | Matter |
| the amount of matter in something | Mass |
| the amount of space something occupies | Volume |
| particles are close together but not neat | Liquid |
| particles are neat and organized | Solid |
| particles are zooming around without stop | Gases |
| a property that can only be observed by changing the identity of the substance | chemical property |
| a property that can be observed without changing the identity of the substance | Physical property |
| smallest unit of matter | ATOM |
| number of protons in an atom of a given element | ATOMIC NUMBER |
| number of protons plus the number of neutrons in an atom | ATOMIC MASS |
| center of the atom that has the protons and neutrons (heaviest part of the atom) | NUCLEUS |
| positive subatomic particle in the nucleus | PROTON |
| neutral subatomic particle in the nucleus | NEUTRON |
| negative subatomic particle that is around the outside of the nucleus | ELECTRON |
| ability to be flattened into a sheet; bendable | malleability |
| ability to be stretched into a wire | ductility |
| ability to react with another substance | reactivity |
| a row of the elements | period |
| a column of the elements | groups |
| melting point | |
| boiling point | |
| shiny, good conductors, malleable, ductility | metal |
| like both metal and non-metal, shiny, malleable, semi-conductors | metelloid |
| poor conductors, mostly gases, dull | non-metal |