In one isotopologue the nitrogen atom contained within the ammonia has seven protons and seven neutrons, and hence this ammonia isotopologue is called 14NH3. Another isotopologue contains seven ...

Analyzing nitrogen isotopes—different forms of nitrogen that might be heavier or lighter depending on the neutrons in its ...

Only in-vivo neutron activation analysis (IVNAA) provides non-destructive testing of total body levels of the major body elements: calcium, sodium, chlorine, phosphorus, nitrogen, hydrogen, oxygen, ...

1}^{\,\,\,\,0}\textrm{e}\) Carbon-14 is a radioactive isotope of carbon. Each atom has six protons and eight neutrons. It decays to form nitrogen, which has seven protons and seven neutrons.