click below
click below
Normal Size Small Size show me how
chemistry crossword
| Question | Answer |
|---|---|
| a pure substance | element |
| has mass and occupies space | matter |
| produce a substance that can be reversed | physical reaction |
| a basic paticle | atom |
| the study of properties of matter and how it changes | chemistry |
| produces a new substance | chemical reaction |
| two or more atoms bonded together | molecule |