Across
- 3. what are two or more elements bonded together called?
- 5. the topic’s name
- 6. what do you call a row in the periodic table?
- 9. what is the element named after the creator of the current periodic table?
- 11. first found by Democitus that makes up everything
- 12. contains neutrons and protons
- 13. the scientific term for giving out heat
- 14. it has an atomic weight of 24.3
- 15. gives negative energy (-energy)
Down
- 1. what does Uus stand for in the periodic table?
- 2. the name of the first group in the periodic table
- 4. the most reactive wins a new partner
- 7. a reaction that cannot be reversed
- 8. occurs during the test for Hydrogen
- 10. atom that only contains carbon atoms and hydrogen
- 16. 8 neutrons