PERIODIC TABLE

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Across
  1. 2. An yellowish - green element in group 17
  2. 3. A element in group 14 and period 3 which is a metalloid
  3. 6. An amphoteric metal that belongs to group 13
  4. 8. An element that has the lowest density
  5. 9. Element represented by "sb"
Down
  1. 1. An element in group 16 and period 3
  2. 2. An alkaline earth metal with atomic number 20
  3. 4. A neutral gas that belongs in group 16
  4. 5. Group 17 is also known as
  5. 7. A noble gas with atomic number 18