science keywords

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Across
  1. 4. nonmetallic element that has some metal characteristics
  2. 5. area outside the nucleus
  3. 7. average atomic mass of an element
  4. 8. arrangment of the chemical elements in rows and columns
  5. 9. substance formed as a result of a chemical reaction
  6. 10. the number of protons in the nuclues
Down
  1. 1. does not condut heat very or electricity very well and is not hard
  2. 2. combination of two or more bonded elements
  3. 3. ability to be molded or shaped without breaking
  4. 6. characteristic that shows up as a result of a chemical reaction