| Which one among the following is the most appropriate statement with respect to the atomic weight of an element? |
| (a)The atomic weight of an element is the sum total of the number of protons and neutrons present in the atom of an element |
(b)Unlike mass number, the atomic weight of an element can be a fraction  |
| (c)The atomic weight of an element is a whole number |
| (d)The atomic weight of all the atoms in an element is the same |
