Across
- 2. Which noble gas is in party balloons?
- 3. What are the vertical columns on a periodic table called?
- 5. Which metal is in chalk and bones?
- 7. The Modern Periodic Table of Elements are arranged by? (2)
- 11. Metals are found on the _____ side of the periodic table.
- 12. What is the organisational system or chart for elements?(2)
- 13. Which element is found in period 3 group 2?
Down
- 1. Which element makes up most of the air?
- 2. What does the chemical symbol H stand for?
- 4. What does the chemical symbol Na stand for?
- 6. Which metal is in soda cans?
- 8. If there are 8 protons what element does it identify?
- 9. This element is in pencils
- 10. What do you call the horizontal row of elements in a periodic table of elements'