Across
- 1. the element in group 6, period 4
- 4. the shorthand of an element's name
- 6. an element with atomic number 6
- 8. a vertical column on the periodic table
- 9. the number of protons in an atom
- 12. the big group of metals in the middle
- 13. an atom that has lost or gained electrons
- 14. this element's symbol is Pb
Down
- 2. this element is a liquid at room temperature
- 3. the elements in group 17 are known as ______
- 4. this element is in group 2, period 5
- 5. a horizontal row on the periodic table
- 7. the name given the the gases in group 18
- 10. this element's electron configuration is 2,3
- 11. this element is shiny and valueable