Meaning & use
neutrons
Last updated
electrically neutral subatomic particles found, along with protons, in the nucleus of an atom.
See it in a sentence
Adding extra neutrons to an atom's nucleus creates a different isotope of the same element.
Neutrons have roughly the same mass as protons but carry no electric charge.
A note on using this word
Because neutrons carry no charge, the number of neutrons in an atom can vary among isotopes of the same element without changing its identity.
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