Across
- 3. made up of one kind of atom
- 4. row of chemical elements
- 5. subatomic particle with neutral charge
- 6. column of chemical elements
- 8. more than one element bonded together
- 9. substance made up of only one kind of atom
Down
- 1. subatomic particle with negative charge
- 2. more than one different element bonded together
- 4. table of elements- a table of chemical elements in rows and columns
- 7. subatomic particle with a positive charge
- 9. number- charge of the nucleus
