Across
- 1. / Anything that has mass and volume
- 5. / two or more atoms
- 8. / Two substances combined
- 10. / Visibly different substance
- 11. Metals / All have one electron in shell
Down
- 2. / Made of one type of atom
- 3. Gases / doesn't react
- 4. / All substances are the same throughout
- 6. / Two different types of atoms
- 7. / All have seven electrons in shell
- 9. / Solid under standard condition