Input interpretation
magnesium helium | atomic radius
Results
magnesium | 150 pm (picometers) helium | 31 pm (picometers)
Relative values
| visual | ratios | | comparisons helium | | 0.21 | 1 | 79% smaller magnesium | | 1 | 4.8 | 380% larger
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
| magnesium | helium atomic radius (empirical) | 150 pm | atomic radius (calculated) | 145 pm | 31 pm covalent radius | 141 pm | 28 pm van der Waals radius | 173 pm | 140 pm
Units