Chemistry Vocab

12345678
Across
  1. 5. A particle in an atom's nucleus with negative electrical charge
  2. 6. When two or more atoms join together chemically
  3. 8. A particle in an atom's nucleus with neutral charge
Down
  1. 1. When all the atoms that make up a substance are the same kind
  2. 2. The stuff that makes up everything in the universe
  3. 3. The stuff that makes up matter
  4. 4. A particle in an atom's nucleus with positive electrical charge
  5. 7. Atoms combined that are of two or more different elements