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Sub-Atomic Particles

If two atoms ...

Question

If two atoms are isotopes, in what characteristic do they differ?

A

Number of protons

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B

Number of neutrons

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C

Number of electrons

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D

Atomic number

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E

Electronic charge

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Solution

The correct option is B Number of neutrons
Isotopes are atoms with the same number of protons but that have a different number of neutrons.

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Q. Isotopes are atoms with the same number of protons , but differing numbers of neutrons . Isotopes are different forms of a single element.

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