Input interpretation
period 1 elements | stable isotopes
Results
hydrogen | H-1 (99.985%) | H-2 (1.5×10^-4) helium | He-4 (99.999863%) | He-3 (1.37×10^-6)
period 1 elements | stable isotopes | (H-1 (99.985%) | H-2 (1.5×10^-4) He-4 (99.999863%) | He-3 (1.37×10^-6)) ()