What is the standard of atomic mass?

thx a lot~

Answers:
1 atomic mass unit = 1.66053886 × 10^-27 kilograms. The unified atomic mass unit (u), or dalton (Da), is a small unit of mass used to express atomic and molecular masses. It is defined to be 1⁄12 of the mass of one atom of carbon-12.

(Read ^ as "to the power of" here, sorry.)
Atomic Kitten i know...Atomic mass?
1/12 the mass of a Carbon -12 atom
It is a very high standard indeed.
The mass of Carbon 12,
one unit of mass is 1/12 of carbon 12

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