Across
- 4. Group of atoms held together with chemical bonds
- 5. Resulting from a reaction between two substances
- 7. Atoms of the same type grouped together
- 8. Different types of substances physically mixed together
- 10. A particular kind of matter
Down
- 1. A part of an element
- 2. The basic unit of a chemical element
- 3. Anything that takes up space
- 6. Relating to the periodic table
- 9. A measure of the amount of mass in something