NCERT Exemplar Solutions Class 9 Science Solutions for Structure of the Atom - Exercise in Chapter 4 - Structure of the Atom

Question 35 Structure of the Atom - Exercise

The atomic number of calcium and argon are 20 and 18 respectively, but the mass number of both these elements is 40. What is the name given to such a pair of elements?


Elements with different atomic numbers but the same mass numbers are known as isobars. Calcium and argon are isobars.

Connect with us on social media!
2022 © Quality Tutorials Pvt Ltd All rights reserved