Mr Cross' Periodic Table Crossword
Across
- 4. Carbon, Nitrogen, and Xenon are all ______.
- 6. The vertical column on a periodic table.
- 7. The smallest unit of matter.
- 9. A subatomic particle with a negative charge.
- 11. The 19th element in the periodic table.
- 12. An alkali metal with the elemental symbol Li.
- 15. An atom with a charge is called an ______.
- 16. The 17th element in the periodic table.
- 17. The most reactive non-metal.
- 18. A noble gas with two electrons.
- 19. The horizontal row on a periodic table.
Down
- 1. Contains the protons and neutrons of an atom.
- 2. How many elements do you need to know off by heart?
- 3. A subatomic particle with no charge.
- 5. Calcium, Nickel, and Lead are all ______.
- 8. The father of the periodic table.
- 10. An alkaline earth metal with four protons.
- 11. A subatomic particle with a positive charge.
- 13. Element that only has one proton.
- 14. Boron, Silicon, and Arsenic are all ______.
- 16. The 20th element in the periodic table.