Across
- 2. compound represented
- 6. elements that can exists independently
- 10. Hydrogen and Oxygen can be obtained by
- 11. made of elements and compounds
- 12. represent element
Down
- 1. is the combining capacity
- 3. number of atoms in a molecule is called
- 4. compound is always in fixed
- 5. smallest piece of iron
- 7. smallest particle of compound
- 8. made of only one kind of atom
- 9. molecules containing two or more atoms