Difference between isobars and isotopes (Tabular form)

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In this short piece of article, we will see the key difference between isobars and isotopes in tabular form. So let’s get started…

Difference between isobars and isotopes
Difference between isobars and isotopes

What are isobars?

Isobars definition: Isobars are atoms of different elements that have the same mass number but different atomic numbers.

Example of isobar

Argon-40 (40Ar) and Calcium-40 (40Ca): Both have the same mass number of 40, but different atomic numbers. Argon-40 has 18 protons and 22 neutrons, while Calcium-40 has 20 protons and 20 neutrons.

What are isotopes?

Isotopes definition: Isotopes are atoms of the same element that have the same atomic number, but different mass numbers.

Example of isotope

Hydrogen Isotopes:

  • Protium (1H): Contains a single proton and no neutrons.
  • Deuterium (2H): Contains a single proton and one neutron.
  • Tritium (3H): Contains a single proton and two neutrons.

Difference between isobars and isotopes in tabular form

Difference between isobars and isotopes in tabular form is given below:

CriteriaIsotopesIsobars
DefinitionAtoms of the same element with the same atomic number (number of protons) but different mass number (number of protons + neutrons).Different elements with the same mass number (total number of protons and neutrons) but different atomic numbers (number of protons).
ExampleCarbon-12, Carbon-13, Carbon-14Carbon-14, Nitrogen-14
Mass NumberMay have slightly different physical properties due to different mass numbers.Same among isobars.
Atomic NumberSame among isotopes of the same element.Differs among isobars.
Chemical PropertiesSimilar chemical properties due to the same number of protons.Different chemical properties due to different atomic numbers.
Position on the Periodic TableSame element, so same position on the periodic table.Different elements, so different positions on the periodic table.
Physical PropertiesDating artifacts, medical imaging, nuclear power, and understanding atomic reactions.Not directly related to physical properties.
ApplicationsDating artifacts, medical imaging, nuclear power, and understanding atomic reactions.Understanding the diversity of elements, chemical reactions, and the periodic table.

So, these are the difference between isobars and isotopes in tabular form, including their definitions, examples, mass numbers, atomic numbers, chemical properties, positions on the periodic table, physical properties, and applications.

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