Across
- 2. has mass and takes up space
- 4. the symbol for iron
- 7. the lightest element
- 11. the most common type of element on the period table
- 12. have no charge (neutral)
- 13. the rows on the period table
- 14. have a negative charge and are found around the nucleus
- 16. element with atomic number 79
- 17. have a positive charge & is in nucleus
Down
- 1. smallest unit of mass
- 3. has only 1 type of atom
- 5. what element is in group 1 period 3
- 6. two or more elements
- 8. the columns on the periodic table
- 9. the period number is copper in
- 10. the group number copper is in
- 15. element 10 found in many business signs