Question

Define atomic mass unit???​

Answer 1

Holå mate❤

ANSWER✍

➡ Mass unit equal to exactly one-twelfth the mass of one atom of carbon - 12 is called one atomic mass unit. it is written as 'u'.

✌Høpe it's help you✌

Answer 2

$\huge{\mathfrak{HEYA\:MATE\:!!}}$

Answer....

Atomic mass unit (amu) is defined as the mass equal to 1/12 th of the mass of unbounded carbon -12 atom .

One AMU is the average of the rest mass of proton and neutron.

It is a universal quantity which means it is a constant with the value of $1.6 * 10^{-27} kg$.

★______________________★

$\mathscr{\large{Hope\:helps\:}}!! \\ \\ {GRACIAS!!}$

$\huge{\red{\ddot{\smile}}}$