Question

what is isotopes ???​

Answer 1

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What are isotopes ?

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Isotopes are atoms with the same number of protons but that have a different number of neutrons. Since the atomic number is equal to the number of protons and the atomic mass is the sum of protons and neutrons, isotopes are elements with the same atomic number but different mass numbers.

$\ \mathsf \red{Example \: - }$

• Carbon-14. A naturally occurring radioactive isotope of carbon having six protons and eight neutrons in the nucleus.

• Iodine-131. It is an isotope because it contains a different number of neutrons from the element iodine.

• Tritium.

Answer 2

Explanation:

The chemical element which has different physical characteristics but same chemical characteristics are called isotopes.

For example, carbon-12, carbon-13, and carbon-14 are three isotopes of the element carbon with mass numbers 12, 13, and 14, respectively.

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