Question

Q 4 Two atoms are said to be isobars
if. *
O
(a) they have same atomic number
but different mass number.
O
(b) they have same number of
electrons but different number of
neutrons
(c) they have same number of
O 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:

Option d is correct because in isobars mass no. remains same and mass no. is equal to no. of protons plus no. of neutrons

Answer 2

Answer:

D should be the answer as isobars have different atomic number but same mass so sum of protons and neutrons (which is atomic mass) is same and number of protons (atomic number) is different