Question

2. Isobars are defined as--
a) Elements show same atomic number with different mass number
b) Elements show same mass number with different atomic number
c) Elements show same valency
d) None of these​

Answer 1

Answer:

Isobars, are the atoms having the same mass number but different atomic number. For example, the atomic number of carbon and nitrogen is 6 and 7 respectively. Carbon-14 an isotope of carbon has a mass number of 14 which is same as that of nitrogen and hence carbon-14 and nitrogen are isobars.