Alkali metals

123456
Across
  1. 4. what element is number 87 on the periodic table
  2. 5. what element is number 55 on the periodic table
  3. 6. what element is number 3 on the periodic table
Down
  1. 1. what element is number 19 on the periodic table
  2. 2. what element is number 11 on the periodic table
  3. 3. what element is number 37 on the periodic table