Isotope

Atoms of the same atomic numberNumber of protons in an atomic nucleus. Each chemical elemen... (i.e. the same chemical elementChemical base material which cannot be chemically converted ...), however with a different nucleonGroup name for protons and neutrons. number, e.g. Ne-20 and Ne-22. Both nuclei belong to the same chemical elementChemical base material which cannot be chemically converted ... neon (symbol: Ne) and therefore both have 10 protons each. The nucleonGroup name for protons and neutrons. number is different since Ne-20 has ten neutrons and Ne-22 twelve neutrons.