Across
- 5. a fundamental unit of matter
- 6. a chemistry word for the stuff the world is made of
- 8. when all of the atoms are of the same sort
- 10. a state of matter where atoms flow freely in a steady state
Down
- 1. when atoms from two or more elements are chemically joined
- 2. a state of matter that happens when atoms bounce around wildly
- 3. two or more chemically joined atoms
- 4. when different atoms are physically together but not chemically joined
- 7. a substance made of just one type of atom
- 9. a state of matter in which atoms are tightly packed