Across
- 4. Neutrons + Protons
- 7. Has a postive charge, and has 1 amu
- 9. Two or more atoms bonded together
- 10. Has no charge, and has 1 amu
- 12. Postively charged ion
- 13. Unstable nuclei that spontanously decays
Down
- 1. Has the same number of protons, different number of neutrons
- 2. Another word for atom
- 3. Two or more elements bonded together
- 5. Has negative charge, no weight
- 6. Particle with a net charge
- 8. Number of protons
- 11. Negatively charged ion
- 14. Building block of an element