Across
- 4. gives the number of each element in a molecule
- 5. same atomic number but different mass number
- 7. more protons than electrons
- 9. no change in charge or state
- 11. also called nucleon number
- 12. vertical column in the periodic table
- 13. electrons in this shell give the group number
- 14. horizontal row in the periodic table
Down
- 1. more electrons than protons
- 2. the top right corner of the chemical symbol
- 3. diamond and graphite
- 6. soluble in water
- 8. covalent compounds are soluble in ______ solvents
- 10. sharing of electrons