Across
- 4. has a different number of proton and neutrons
- 5. type of chemical bond formed by the sharing of electrons
- 8. positively charges subatomic particle
- 10. the addition of the number of proton and neutrons
- 12. type of chemical bond that involves the attraction of two slightly charged molecules
Down
- 1. negatively charged subatomic particle
- 2. the smallest building block of all matter that keeps its chemical properties
- 3. your science teacher's favorite color
- 6. where the protons and neutrons are found in an atom
- 7. type of chemical bond formed by the complete transfer of electrons
- 9. neutral charged subatomic particle
- 11. an atom with a positive or negative charge
