Chapter 2

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Across
  1. 2. composed of two or more parts, elements, or ingredients
  2. 4. one of a class of substances that cannot be separated into simpler substances by chemical means
  3. 9. a sample of matter with both definite and constant composition with distinct chemical properties.
  4. 10. the temperature at which a solid substance melts or fuses.
  5. 11. any combination or blend of different elements, kinds, qualities, etc
  6. 12. a usually reversible change in the physical properties of a substance, as size or shape
Down
  1. 1. the temperature at which the vapor pressure of a liquid is equal to the pressure of the atmosphere on the liquid, equal to 212°F (100°C) for water at sea level
  2. 3. the relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound.
  3. 5. a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance
  4. 6. mass per unit volume
  5. 7. the smallest component of an element having the chemical properties of the element
  6. 8. the substance or substances of which any physical object consists or is composed
  7. 11. the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound