From protons to elements
Atomic structure is part of the shared Mendeleev scientific core. This page is intentionally conservative until more native-language terminology is verified.
Start with the nucleus
Atomic structure is part of the shared Mendeleev scientific core. This page is intentionally conservative until more native-language terminology is verified.
Atomic structure is part of the shared Mendeleev scientific core. This page is intentionally conservative until more native-language terminology is verified.
Carbon-12 has 6 protons and 6 neutrons; changing the proton count would create a different element.
Isotopes are atoms of the same element with the same number of protons but different numbers of neutrons. Their chemistry is very similar, while their masses and nuclear stability can differ.
Isotopes are atoms of the same element with the same number of protons but different numbers of neutrons. Their chemistry is very similar, while their masses and nuclear stability can differ.