Chem. Lab Work

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Across
  1. 1. element with a mass/mole of 281.
  2. 3. a well-supported explanation of observations.
  3. 5. statement that summarizes the relationship between variables.
  4. 7. a substance made up of two or more different chemical elements combined in a fixed ratio.
  5. 8. a simple substance that cannot be broken down into smaller parts or changed into another substance.
  6. 9. the unit of measurement in the International System of Units (SI) for amount of substance.
Down
  1. 2. 6.02x10^23 (2 words)
  2. 4. element with a mass/mole of 282.
  3. 6. the 84th element on the periodic table