9.1 Measuring Matter Crossword

12
Across
  1. 2. the number 6.0221367 × 10²³, which is the number of representative particles in a mole, and can be rounded to three significant digits 6.02 × 10²³
Down
  1. 1. the SI base unit used to measure the amount of a substance, abbreviated mol; the number of carbon atoms in exactly 12 g of pure carbon; one mole is the amount of a pure substance that contains 6.022 × 10²³ representative particles