Question

Define atomic mass unit. How does it related to kilogram?
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Answer 1

one atomic mass unit is equal to the mass of 1/12 of Carbon-12 atom.

Atomic Mass Unit of an element is the number of times that element is heavier than 1/12 of Carbon-12!!

Answer 2

Mate here is your answer✌✌✌❗❗✔✔

Atomic mass unit is defined as a physical unit used for only the mass of atoms.
⭕it is another unit of mass used for smaller magnitude.
⭕ it is denoted by 'Amu' or 'u'.

1 amu=1.67*10^-27kg for proton and nutrone

hope you are helped by my answer