Question

13. 1 Atomic mass unit of carbon-12 is​

Answer 1

Answer:

12amu

Explanation:

Atomic mass is based on a relative scale and the mass of 12C (carbon twelve) is defined as 12 amu; so, this is an exact number.

Answer 2

Explanation:

In this scale 1 atomic mass unit (amu) corresponds to 1.660539040 × 10−24 gram.