The Periodic Table

Edit Answers
1234567891011121314151617
Across
  1. 2. The noble gases are in this group.
  2. 5. This element has eight protons in its nucleus.
  3. 7. The rows in the periodic table are called …..
  4. 9. This element has atomic number six.
  5. 12. The alkali earth metals are in this group.
  6. 14. An atomic nucleus contains protons and …..
  7. 15. Elements can be divided into metals and…..
  8. 16. Elements in group five have five valence …..
Down
  1. 1. This element has atomic number seven.
  2. 3. The columns in the periodic table are called…..
  3. 4. This element has only one proton in its nucleus.
  4. 6. An element is defined by the number of ….. in its nucleus.
  5. 8. Elements in group eight have eight ..... electrons.
  6. 10. These elements are usually hard, dense and malleable, and they conduct electricity and heat well.
  7. 11. Elements in period two have two electron …..
  8. 13. The alkali metals are in group.
  9. 17. This element has twenty protons in its nucleus.