Across
- 2. Protons, neutrons, and electrons
- 3. Columns of organized elements
- 4. positive charge of an atom
- 5. No charge of an atom
- 6. rows of organized elements
- 8. Negative charge of an atom
- 10. pure substance of atoms with the same
Down
- 1. two different elements bonded
- 2. of protons
- 4. all of the known elements
- 7. multiple elements bonded together
- 9. An elements amount of protons