Chemistry
Across
- 2. positively charged atom in the nucleus
- 4. able to be hammered or pressed permanently out of shape without breaking
- 5. Small number next to a element
- 8. a thing that is composed of two or more separate elements
- 9. able to be drawn out into a thin wire
- 10. the study of the composition, structure and properties of matter
Down
- 1. a group of atoms bonded together
- 3. a substance that takes part in and undergoes change during a reaction
- 6. Big number in front of a molecule
- 7. negatively charged atom outside the the nucleus