Question

1. Define the atomic mass unit.
2. Why is it not possible to see an
atom with naked eyes?​

Answer 1

Answer:

1.atomic mass unit is defined as 1/12 of C-12 atom which is equal to 1amu.

Explanation:

2.its size is very small that the we can not see it with our naked eyes and even we can't predict the shape of an atom "the atom is spherical" is just an assumption