Science Crossword puzzle

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Across
  1. 3. To determine the taxonomic position or category of (a biological specimen).
  2. 4. Able to be hammered or pressed
  3. 5. A table of the chemical elements arranged in goups and periods.
  4. 8. Vertical rows on the periodic table that sort elements by there valence electrons.
  5. 9. An element (e.g. arsenic, antimony, or tin) whose properties are intermediate between those of metals and solid nonmetals.
  6. 11. The state or power of being reactive or the degree to which a thing is reactive.
  7. 12. Properties A chemical property is any of a material's properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity.
  8. 14. A law stating that the elements, when listed in order of their atomic numbers (originally, atomic weights).
Down
  1. 1. A property (as color, hardness, boiling point) of matter not involving in its manifestation a chemical change.
  2. 2. Horizontal rows on the periodic table that sort elements by there energy levels.
  3. 6. Able to be deformed without losing toughness; pliable, not brittle
  4. 7. An element or substance that is not a metal.
  5. 10. A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical conductivity.
  6. 13. A gentle sheen or soft glow, especially that of a partly reflective surface.