what-is-the-definition-of-an-atomic-mass-unit-amu

Question

What is the definition of an atomic mass unit (AMU)?

Accepted Answer

1 AMU is equal to 1/12th the mass of a carbon atom.

Answer

1 AMU is equal to the mass of a proton.

Answer

1 AMU is equal to the mass of a hydrogen atom.

Answer

1 AMU is equal to the mass of an electron.