Across
- 2. the positively charged dense center of an atom
- 5. a nonmetallic element that has some of the properties of metal
- 6. a fourth state of matter distinct from solid, liquid or gas
- 7. ready susceptibility to chemical change
- 9. a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities
- 12. of or relating to a molecule made up of two atoms
- 13. a representation of something, often on a smaller scale
- 14. deterioration in metals from oxidation or chemical action
- 15. capable of being shaped or bent
- 16. the smallest component of an element
- 18. a subatomic particle with zero charge
- 19. any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
Down
- 1. not resembling shiny, malleable, conductive elements
- 3. capable of being shaped or bent or drawn out
- 4. an elementary particle with negative charge
- 6. a stable particle with positive charge
- 8. a mixture containing two or more metallic elements
- 10. atom with same atomic number, different number of neutrons
- 11. property of transmitting heat, electricity, or sound
- 17. a chemical element or alloy that is usually a shiny solid