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science quiz 16
| Question | Answer |
|---|---|
| Nucleus | center of an atom |
| proton | positively charged parts of an atom |
| neutron | no charged parts of an atom |
| electron | negatively charged parts of an atom |
| physical properties | mass, volume, freezing point, |
| chemical properties | flammability, combustion, toxicity |
| chemistry & physics | branches of physical science |
| types of elements on periodic table | metals, nonmetals, semimetals |
| force | push or pull |
| solute | dissolved part of a solution |
| energy | ability to do work |
| compound | two or more elements linked in a substance |
| melting point | solid turns to liquid |
| freezing point | liquid turns to solid |
| boiling point | liquid turns to gas |
| condensation point | gas turns to liquid |