Input interpretation
period 1 elements | number of protons
Results
hydrogen | 1 p (proton) helium | 2 p (protons)
period 1 elements | number of protons | 1.5 p (protons) (median)
Relative values
| visual | ratios | | comparisons hydrogen | | 0.5 | 1 | 50% smaller helium | | 1 | 2 | 100% larger
Corresponding quantity
Moles of protons from n = N/N_A: | 2.5×10^-24 mol (moles)