Q. The composition of two elements A and B are given below:
Element | A | B |
Protons | 6 | 6 |
Neutrons | 6 | 8 |
Electrons | 6 | 6 |
(a) What is the atomic number of A?
(b) What is the atomic number of B?
(c) What is the mass number of A?
(d) What is the mass number of B?
(e) Which element(s) do A and B represent?