Across
- 1. Mass / Numbers on the PT that show average mass of atom
- 4. / Neutral Subatomic particle in nucleus of atom
- 6. / smallest particle of matter
- 7. Number / Total of protons and neutrons
- 9. / State of matter with increased energy and has no shape
Down
- 2. / Anything that has mass and volume
- 3. / The measure of the amount of space an object occupies
- 5. / State of matter with high energy that spreads out in container
- 8. / State of matter with low energy that holds it's shape