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atomic diameter of argon vs helium

Input interpretation

argon helium | atomic diameter
argon helium | atomic diameter

Results

argon | 140 pm (picometers) helium | 62 pm (picometers)
argon | 140 pm (picometers) helium | 62 pm (picometers)

Relative values

 | visual | ratios | | comparisons helium | | 0.44 | 1 | 56% smaller argon | | 1 | 2.3 | 130% larger
| visual | ratios | | comparisons helium | | 0.44 | 1 | 56% smaller argon | | 1 | 2.3 | 130% larger

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Plot

Periodic table location

Periodic table location
Periodic table location

Atomic radii properties

 | argon | helium atomic radius (calculated) | 71 pm | 31 pm covalent radius | 106 pm | 28 pm van der Waals radius | 188 pm | 140 pm
| argon | helium atomic radius (calculated) | 71 pm | 31 pm covalent radius | 106 pm | 28 pm van der Waals radius | 188 pm | 140 pm

Units