Input interpretation
protactinium neptunium | atomic radius
Results
protactinium | 180 pm (picometers) neptunium | 175 pm (picometers)
Relative values
| visual | ratios | | comparisons neptunium | | 0.97 | 1 | 3% smaller protactinium | | 1 | 1.03 | 3% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| protactinium | neptunium atomic radius (empirical) | 180 pm | 175 pm covalent radius | 200 pm | 190 pm
Units
