Question

The atomic mass is calculated using the reference of
atom.

a) Carbon-12 isotope
b) Carbon-14 isotope
c) Oxygen isotope
d) none of these.​

Answer 1

Answer:

${\large{\boxed{\colorbox{lime}{\pink{\text{a) Carbon-12 isotope}}}}}}$

Explanation:

Carbon-12 is the reference for all atomic mass calculations. An atomic mass unit is defined as a mass equal to one twelfth the mass of an atom of carbon-12. The mass of an atom is affected by the interactions of particles within the nucleus.

Answer 2

Answer:

A.Carbon-12 isotope

Explanation:

Hope it helps u...