Across
- 3. ability of an element to be plastically deformed
- 6. ability of an element to be disfigured
- 9. vertical lines on periodic tables
- 11. atoms with same number and position of periodic table but with different masses and physicalp
- 12. number of protons and neutrons in an atom
- 13. basic unit of a chemical element
- 14. gas, liquid, or brittle solid
Down
- 1. elements that have characteristics of metals
- 2. element that has metallic bonds
- 4. horizontal lines on periodic table
- 5. subatomic particle with a positive charge
- 7. subatomic particle with negative charge
- 8. number of protons in nucleus of an atom
- 10. subatomic particle with no charge
- 14. positively charged center of an atom