Question
Question: C-12 is taken as standard for amu because...
C-12 is taken as standard for amu because

A
C-12 is very cheap
B
C-12 is very abundant in nature
C
On C-12 scale, atomic masses of most elements are integers.
D
Both (b) & (c)
Answer
Both (b) & (c)
Explanation
Solution
Carbon-12 is chosen because it is naturally abundant and, on the C-12 scale, the atomic masses of most elements are nearly whole numbers, simplifying calculations.