What are the requirements for two atoms to be isotopes of each other?

2 answers:

5 0

By definition, isotopes belong to the same element with a specific atomic number. The two atoms would have the same number of protons, but differ in the number of neutrons. It can also be stated that the two atoms would have the same atomic number but different mass numbers. These are the requirements for two atoms to be called isotopes.

WINSTONCH [101]4 years ago

3 0

Explanation:

An isotope is defined as the specie which contains same number of protons but different number of neutrons.

For example, $^{12}_{6}C$ and $^{13}_{6}C$ are isotopes.

Number placed at the bottom of an element's symbol represents atomic number whereas number placed at the top of an element's symbol represents atomic mass (sum of total number of protons and neutrons).

Therefore, we can conclude that requirement for two atoms to be isotopes of each other is that they should contain same number of protons.

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