Question

What is isotopes and isobars .....give example

Answer 1

Ans:

 ●Isotopes: The atoms which posses same
atomic number (the atoms same element) but different mass number are called Isotopes. Ex: ₁H¹,₁H², ₁H³  These are the isotopes of Hydrogen. The difference in mass number is due to different number of neutrons present in the nucleus. 

●Isobars: The atoms which posses different atomic number with same mass number are called Isobars. Ex : ₁₈Ar⁴⁰,₂₀Ca⁴⁰

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Answer 2

Isotopes:

Atoms in the same elements, same atomic number but different mass number. It is called isotopes.

Isobars:

Mass number same but different atomic number. It is called Isobars.