What is an isotope- Definition,Types and Examples

Do you Know!!!!

What is an isotope?

An isotope is simply define as a variation of the same element with a different number of neutrons in their nucleus.

Types of Isotopes are:

1. stable isotopes 😍
2. unstable isotopes .😧 Similarities in isotopes:Same number of proton/ electrons Same atomic number Same chemical properties properties of isotopes are due to the same atomic number.

Dissimilarities in isotopes:Different number of neutrons Different mass number Different physical properties of isotopes are due to different number of neutrons or different mass number.

Hydrogen Isotopes are:

protium,deutrium and tritium with same atomic number and different mass number or atomic weight.


Carbon isotopes are:

Carbon-12,Carbon-13 and Carbon-14.


Oxygen-16, Oxygen-17 and Oxygen-18.

Why isotopes are unstable 😔?

Isotopes are unstable because they can not hold together, they have too many or too few neutrons. The are called radio-isotopes. Large atomic nuclei, with more than 93 protons or neutrons, are unstable. Uranium is an examples of such elements.

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