Across
- 1. any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions.
- 4. an elementary particle with negative charge.
- 7. a stable particle with positive charge.
- 8. a mixture containing two or more metallic elements.
- 9. a chemical element or alloy that is usually a shiny solid.
- 15. a subatomic particle with zero charge.
- 17. atom with same atomic number, different number of neutrons.
- 18. capable of being shaped or bent or drawn out.
- 19. capable of being shaped or bent.
- 20. ready susceptibility to chemical change.
Down
- 2. shiny and reflective.
- 3. term for the columns of a periodic table. (also called families).
- 5. the smallest component of an element.
- 6. not resembling shiny, malleable, conductive elements.
- 10. deterioration in metals from oxidation or chemical action.
- 11. term for the rows of a periodic table.
- 12. number, number of protons in an atom's nucleus, the positively charged dense center of an atom.
- 13. gasses, elements of group 18.
- 14. symbol, one or two letter abbreviation for an element.
- 16. a nonmetallic element that has some of the properties of metal.
- 18. of or relating to a molecule made up of two atoms.