Question

which of the following statement is correct regarding nuclear isomer
a. they have some numbers of neturon and protons but have different energy
b. they have same number of neturon (number of protons may or may not be same) but have same energy levels
c. none of the mentioned option
d. they have different number of neturon but have same energy levels​

Answer 1

Answer:

isobars have different atomic numbers , i.e ...., no. of protons but the same mass number , i.e.., the sum of the no. of protons and neutrons.