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