Question

Give difference between isotopes and isobars​

Answer 1

Isotopes are atoms with the same number of protons but differing numbers of neutrons. Isobars are atoms of different chemical elements having equal values for atomic mass. Isotopes have the same atomic number. Isobars have different atomic numbers.

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Answer 2

Answer:

Here is the answer for your question:

Isotopes:

As we all know that atoms are made up of electrons, protons, and neutrons. The nucleus is made up of protons and neutrons and the electrons revolve around the nucleus. Atomic mass is the sum of some protons and the number of neutrons and atomic number is equal to the number of protons. In an element, the number of protons is always the same, but the number of neutrons keeps on changing.

Isotopes are the atoms in which the number of neutrons differs and the number of protons is the same. From the above definition of atomic mass and the atomic number, we can conclude that isotopes are those elements having the same atomic number and different mass number.

Let us know something about the isotopes of hydrogen: There are three isotopes of hydrogen and these are protium, deuterium, and tritium. All three of them have the same number of protons, but the numbers of neutrons differ. In protium the number of neutrons is zero, in deuterium, it is one and in tritium, the number of neutrons is two.

Isobars:

Isobar is that element which differs in the chemical property but has the same physical property. So, we can say that isobars are those elements which have a different atomic number but the same mass number. Their chemical property is different because there is a difference in the number of electrons. It has the same atomic mass but different atomic no. Because an additional number of neutrons compensates the difference in the number of nucleons.

The example of two Isotopes and Isobars is iron and nickel. Both have the same mass number which is 58 whereas the atomic number of iron is 26, and the atomic number of nickel is 28.

Explanation:

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