Contains

• weight unit

  A decimal unit of weight based on the gram.

• avoirdupois unit

  Any of the units of the avoirdupois system of weights.

• mass number

  The sum of the number of neutrons and protons in an atomic nucleus.

• atomic mass unit

  Unit of mass for expressing masses of atoms or molecules.

• slug

  A unit of mass equal to the mass that accelerates at 1 foot/sec/sec when acted upon by a force...