Across
- 3. What element has 11 protons?
- 5. What group is oxygen located in?
- 7. What is the mass number of Magnesium?
- 8. shell What is another name for the outer shell?
- 11. What is the 13th element?
- 12. Which group in the periodic table are the noble gases found?
- 15. In which group are the alkali metals found?
- 16. What side of the table are the nonmetals located on?
- 17. How many electrons does Chlorine have in its outer shell?
Down
- 1. How many shells does Calcium have?
- 2. What is another name for a column?
- 3. What group of the periodic table are the halogens found?
- 4. Who modernized the periodic table?
- 6. Who created the first periodic table?
- 9. What metals are stored under oils?
- 10. Where are the protons and neutrons located?
- 13. What does the mass number subtract the atomic number equal?
- 14. What side of the table are the metals located on?