Question

What is atomic mass unit?

Answer 1

Hello !

Answer :

Atomic mass unit is equal to 1 /12 th of the mass of an atom of carbon 12 isotopes !

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Answer 2

An atomic mass unit (symbolized

AMU or amu) is defined as

precisely 1/12 the mass of an atom

of carbon -12.The carbon -12 (C-12)

atom has six protons and six

neutrons in its nucleus.

The AMU is used to express the

relative masses of, and thereby

differentiate between, various

isotopes of elements.

Also Known As: unified atomic

mass unit (u), Dalton (Da), universal

mass unit, either amu or AMU is an

acceptable acronym for atomic

mass unit

The "unified atomic mass unit" is a

physical constant that is accepted

for use in the SI measurement

system.