Across
- 5. The number of protons in the nucleus of an atom of an elemen
- 7. Particle with no charge; found in the nucleus
- 8. shiny, malleable, ductile and good conductors
- 10. can be pulled into long wires
Down
- 1. Positively charged particle; found in the nucleus
- 2. Smallest unit of life
- 3. Negatively charged particle; found in the electron cloud
- 4. pure substance that consists entirely of one type of atom
- 6. The total number of protons and neutrons in an atom's nucleus
- 9. Group one; most reactive