Question

Q 4 Two atoms are said to be isobars
O
(a) they have same atomic number
but different mass number
(b) they have same number of
O electrons but different number of
neutrons
O
(c) they have same number of
neutrons but different number of
electrons.
(d) sum of the number of protons
O and neutrons is same but the
number of protons is different​

Answer 1

Answer:

a. if they have same atomic no. but different mass no.