periodic table
Across
- 6. capable of being shaped or bent
- 7. the sum of the number of neutrons and protons in an atomic nucleus
- 8. deterioration in metals from oxidation or chemical action
- 12. the property of transmitting heat,electricity or sound
- 13. a representation of something,often on a smaller scale
- 14. a subatomic particle with zero charge
- 16. the smallest component of an element
- 17. ready susceptibility to chemical change
- 19. non resembling shiny, malleable, conductive elements
Down
- 1. the property of an atom that causes it to have weight
- 2. a chemical element or alloy that is usually a shiny solid
- 3. any of the monovalent metals of group
- 4. an elementary particle with negative charge
- 5. arrangement of chemical elements according to atomic number
- 9. a stable particle with positive charge
- 10. the positively charged dense center of an atom
- 11. a quantity of protons in the nucleus of an atom of an element
- 15. capable of being shaped or bent
- 16. a mixture containing two or more metallic elements
- 18. atom with same atomic number, different number of neutrons