PERIODIC TABLE

123456789
Across
  1. 1. has 73 atomic number
  2. 3. Rubidium is in what element group?
  3. 6. Fe stands for what element?
  4. 8. Has 63.546 atomic weight
  5. 9. Who is the creator of periodic table?
Down
  1. 2. 14 atomic mass
  2. 3. Helium has two
  3. 4. How many element group are there?
  4. 5. Au stands for what element?
  5. 7. Most abundant element in the universe