Across
- 3. What particle orbits around the nucleus?
- 6. What dose the periodic table contain?
- 8. What did mendeleev create
- 9. Who discovered the nucleus?
- 11. What is a portion of matter called?
- 12. What is the power house of the cell?
- 13. What charge dose proton have?
- 14. Who discovered the electron orbit?
- 15. What is every living thing made of?
- 17. Who created the periodic table?
- 19. Who discovered the atom?
Down
- 1. What form contains equal protons but different neutrons?
- 2. Who discovered the electron?
- 4. Who confirmed that any liquid is made up of molecules?
- 5. What particle has neutral charge in the nucleus?
- 7. What do electrons orbit on?
- 10. Who first believed in the theory of a atom?
- 13. What particle has positive charge in the nucleus?
- 16. charge dose electron have?
- 18. What molecule relies on its net charge due to electrons?