Question

Atomic masses of most of the elements are fractional
because of :
(A)
mass is due to the sum of masses of p, n, e in it
which are fractional
(B)
average atomic mass of different isotopes of elements
(C)
mass of 12C is in fraction
(D)
None of these
​

Answer 1

Answer:

d is the answer

Explanation:

Answer 2

Answer:

option b is correct ......