Words used for multiples
- 2- a pair, a couple, a duo, a brace
- 12 - a dozen
- 13 - a baker’s dozen
- 20 - a score
- 144 (12 dozen) - a gross
- 1000 - a grand, a large
- 10000 - a myriad
- 6.022 * 10^2$$^3 - a mole
- Mole - unit for the number of particles in a substance (mol)
- Avogadro’s constant (N) = 6.022 * 10^2$$^3 particles / mol
- 1 mole of carbon = 6.022 * 10^2$$^3 atoms of carbon