Across
- 3. Most abundant Element
- 7. Similar to the form of an atom
- 8. Center of the atom
- 10. Liquid, solid, or gas
- 12. Electronic opposites
Down
- 1. Postive charge in an atom
- 2. "Atom" in means
- 4. Always neutral
- 5. There are 118
- 6. Negative charge in an atom
- 9. This can be strong or weak
- 11. Building blocks of matter
