Input interpretation
![group 2 elements | covalent radius](../image_source/7c14426c6d567e5ba5b4a8e2e425267e.png)
group 2 elements | covalent radius
Summary
![median | 186 pm highest | 221 pm (radium) lowest | 96 pm (beryllium) distribution |](../image_source/c4519cf91992ed2c9b9f4cec7eb42760.png)
median | 186 pm highest | 221 pm (radium) lowest | 96 pm (beryllium) distribution |
Units
Ranked values
![| | visual | ratios | 6 | beryllium | | 0.43 | 1 5 | magnesium | | 0.64 | 1.5 4 | calcium | | 0.8 | 1.8 3 | strontium | | 0.88 | 2 2 | barium | | 0.97 | 2.2 1 | radium | | 1 | 2.3](../image_source/dd6e26de5799b92a3f0ba3396847ca04.png)
| | visual | ratios | 6 | beryllium | | 0.43 | 1 5 | magnesium | | 0.64 | 1.5 4 | calcium | | 0.8 | 1.8 3 | strontium | | 0.88 | 2 2 | barium | | 0.97 | 2.2 1 | radium | | 1 | 2.3
Plot
![Plot](../image_source/d5a0974ae56fd3cca768337f5aca039e.png)
Plot
Periodic table location
![Periodic table location](../image_source/ffeb1f0bacecd8eceb2808aa88bdbc77.png)
Periodic table location
Atomic radii properties
![atomic radius (empirical) | median | 190 pm | highest | 215 pm (barium and radium) | lowest | 105 pm (beryllium) | distribution | atomic radius (calculated) | median | 194 pm | highest | 253 pm (barium) | lowest | 112 pm (beryllium) | distribution | covalent radius | median | 186 pm | highest | 221 pm (radium) | lowest | 96 pm (beryllium) | distribution |](../image_source/b1b291a076370f21b0e13a0db182bc81.png)
atomic radius (empirical) | median | 190 pm | highest | 215 pm (barium and radium) | lowest | 105 pm (beryllium) | distribution | atomic radius (calculated) | median | 194 pm | highest | 253 pm (barium) | lowest | 112 pm (beryllium) | distribution | covalent radius | median | 186 pm | highest | 221 pm (radium) | lowest | 96 pm (beryllium) | distribution |
Units
Covalent radius rankings
![1 | beryllium | 96 pm 2 | magnesium | 141 pm 3 | calcium | 176 pm 4 | strontium | 195 pm 5 | barium | 215 pm 6 | radium | 221 pm](../image_source/8a38094d9a0bc4adcf67a983b0e35d33.png)
1 | beryllium | 96 pm 2 | magnesium | 141 pm 3 | calcium | 176 pm 4 | strontium | 195 pm 5 | barium | 215 pm 6 | radium | 221 pm
Unit conversions for median covalent radius 186 pm
![0.186 nm (nanometers)](../image_source/e768596f1e94743b6571136b318f48d6.png)
0.186 nm (nanometers)
![1.86×10^-10 meters](../image_source/7362e31acf71c812a14015b8f3d1fd7e.png)
1.86×10^-10 meters
![7.3×10^-9 inches](../image_source/a5af608038779b381eb5afbabf7ff8d1.png)
7.3×10^-9 inches
![1.86 Å (ångströms)](../image_source/0eed969de2885acfde071a4393d4f147.png)
1.86 Å (ångströms)
Comparisons for median covalent radius 186 pm
![≈ 6 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )](../image_source/acf63b38298455f4de2012c9796906e4.png)
≈ 6 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
![≈ 7.4 × atomic radius of hydrogen ( ≈ 25 pm )](../image_source/b4883994667e8977b098f0a7d016556e.png)
≈ 7.4 × atomic radius of hydrogen ( ≈ 25 pm )