Across
- 2. Water chemical symbol
- 3. pure substance made up of one type of atom and the material never changes.
- 6. center of an atom
- 7. has Neutral charge
- 10. a group of atoms together
- 12. has tree types of bonds Ionic bonding, covalent bonding metallic bonding.
- 14. final result
- 16. figure or chemical symbol
- 17. what is the smallest particle that makes up everything.
- 19. 2 Hydrogen and 1 Oxygen atom makes...
Down
- 1. Force that holds atoms together in molecules/compounds.
- 4. 2 or more atoms can combine to form new...
- 5. a thong composed of multiple elements.
- 8. has Negative charge
- 9. a subject that changes during a reaction
- 11. which one is a chemical symbol Oxygen or FE
- 13. hydrogen chemical symbol
- 14. has Positive charge
- 15. which one is a molecule promethium or bioscience
- 18. Oxygen chemical symbol