Across
- 3. positively charged ion
- 5. charge of an electron
- 6. # of valence electrons is equal to ___ number for group A elements
- 7. an atom or a group of atoms that has a charge
- 8. metals tend to give up or lose their valence electrons to form cations
- 9. maximum number of valence electrons an element can have
- 10. location of protons and neutrons in an atom
- 11. group 8A elements that are stable and do not need to bond
- 13. a compound composed of cations and anions
- 15. electrostatic forces that hold ions together in ionic compounds
- 16. nonmetals tend to gain electrons to form anions
Down
- 1. diagram used to show valence electrons of an atom
- 2. charge of a proton
- 3. most ionic compounds are ___ ___ at room temperature
- 4. electrons in the highest occupied energy level of an atom
- 11. the chemical formula for table salt (chemical symbols)
- 12. negatively charged ion
- 14. charge of a neutron