Question

isotopes of an element have a ​

Answer 1

Answer:

The atoms of a chemical element can exist in different types. These arecalled isotopes. They have the same number of protons (and electrons), but different numbers of neutrons. ... Different isotopes of the sameelement have the same atomic number.

Explanation:

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Answer 2

Isotopes

★ Isotopes are elements that have same atomic number but different mass number.

★ This means that they have same number of protons but different numbers of neutrons.

★ They have similar chemical properties.

★ Their physical properties may differ.

★ Isotopes of different elements are used for various purposes. For instance, isotope of cobalt (Co-60) is used in treatment of cancer, isotope of carbon (C-14) is used in carbon dating etc.

★ Examples of isotopes are -

C-12, C-13, C-14

They all have atomic number 6 but mass number as 12, 13 and 14 respectively.

Protium, Deuterium, Tritium

They all are isotopes if hydrogen, having mass numbers as 1, 2 and 3 respectively.