Question

The atomic mass unit (amu) is

a. the mass of a single atom of carbon
b. one millionth of a gram
c. approximately the mass of a proton
d. approximately the mass of an electron

(dont send me a link please)

Answer 1

The correct option is (a).

Step-by-step explanation:

One Atomic mass unit is the mass of an atom. It is defined as the mass of a single carbon -12 at rest.

The relation between amu and kg is given by :

`1\ amu=1.66* 10^(-27)\ kg`

Hence, one amu is equal to the mass of a single atom of carbon.