Meaning & use
isotone
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Any of two or more atomic nuclei that have the same number of neutrons but a different number of protons.
See it in a sentence
Carbon-14 and nitrogen-15 are isotones, both containing eight neutrons.
Physicists use isotone charts alongside isotope charts to study nuclear stability.
A note on using this word
Isotones are often confused with isotopes, which instead share the same number of protons but differ in neutron count.
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