Across
- 2. the sum of the number of neutrons and protons in an atomic nucleus
- 4. an elementary particle with negative charge
- 8. the property of transmitting heat,electricity, or sound
- 10. a chemical element or alloy that is usually a shiny solid
- 12. quantity of protons in the nucleus of an atom of an element
- 14. deterioration in metals from oxidation or chemical action
- 15. capable of being shaped or bent
Down
- 1. atom with same atomic number, different number of neutrons
- 3. the property of an atom that causes it to have weight
- 5. a subatomic particle with zero charge
- 6. the smallest component of an element
- 7. of chemical elements according to atomic number
- 9. a stable particle with positive charge
- 11. the positively charged dense center of an atom
- 13. a representation of something, often on a smaller scale