Across
- 3. ability to attract electrons in a bond
- 4. region where electrons are found
- 7. element that gains or shares electrons
- 10. vertical column on the periodic table
- 11. atom with same protons but different neutrons
- 12. bond bond between metal and nonmetal
- 13. a negatively charged ion
- 14. an atom with a charge
- 17. horizontal row on the periodic table
- 18. the smallest unit of matter
- 19. connection between atoms
Down
- 1. element that loses electrons easily
- 2. outermost electrons
- 5. negatively charged particle around the nucleus
- 6. a positively charged ion
- 7. neutral particle in the nucleus
- 8. how easily an element reacts
- 9. positively charged particle in the nucleus
- 15. center of an atom
- 16. bond bond where atoms share electrons