Across
- 3. Table Has 118 elements
- 4. a metal commonly used
- 5. two or more different types of atoms
- 6. mixed together using physical means
- 8. atoms held together using chemical bonds
Down
- 1. info about chemical proportions
- 2. when a group of atoms is held together
- 6. anything that has mass
- 7. when a molecule contains only one type of atom