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Chemistry terms
science
| Question | Answer |
|---|---|
| Combination of two or more DIFFERENT kinds of atoms | compound |
| Center of an atom | Nucleus |
| Two or more substances physically combined | mixture |
| Temperature when liquid becomes solid | freezing point |
| No new substance is produced | physical change |
| Can't be separated by chemical | element |
| No definite shape or volume | Gas |
| Temperature when liquid becomes gas | boiling point |
| Positively charged subatomic particle | proton |
| Made of protons and neutrons | nucleus |
| Two or more atoms chemically combined | molecule |
| Mass per unit volume | density |
| anything with mass that takes up space | matter |
| subatomic particle with no charge | neutron |
| produces new substance with different properties | chemical change |
| definite volume, no definite shape | liquid |
| negatively charged particle | electron |
| reactivity is an example | chemical property |
| physical description of a substance | physical property |
| basic building block of matter | atom |
| space in an atom in which electrons are | electron cloud |
| amount of space an object takes up | volume |
| amount of matter in an object | mass |