Chemistry Revision
Across
- 3. negatively charged ion
- 9. Protons and neutrons added together
- 13. an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons
- 14. group 1 on the periodic table
- 15. positively charged subatomic particle
Down
- 1. positively charged ion
- 2. electrons in the outer shell
- 4. Negatively charged subatomic particle
- 5. group 18 on the periodic table
- 6. group 2 on the periodic table
- 7. columns on the periodic table
- 8. group 17 on the periodic table
- 10. elements that lose electrons easily, are lustrous, malleable, and are good conductors of heat and electricity
- 11. a chemical bond that involves the sharing of electrons to form electron pairs between atoms
- 12. rows on the periodic table