Question

define atomic mass unit​

Answer 1

Explanation:

An atomic mass unit is defined as a mass equal to one twelfth the mass of an atom of carbon-12. The mass of any isotope of any element is expressed in relation to the carbon-12 standard. For example, one atom of helium-4 has a mass of 4.0026 amu. An atom of sulfur-32 has a mass of 31.972 amu.

Answer 2

Answer:

A unit of mass used to Express atomic and molecular weights, equal to one twelfth of the mass of an atom Of carbon-12