Input interpretation
![group 2 elements | atomic radius](../image_source/d0f29b23021062c584e27a71b41c9944.png)
group 2 elements | atomic radius
Summary
![median | 190 pm highest | 215 pm (barium and radium) lowest | 105 pm (beryllium) distribution |](../image_source/8d1184e6cbfba6ad2dd84ba22249d7c4.png)
median | 190 pm highest | 215 pm (barium and radium) lowest | 105 pm (beryllium) distribution |
Units
Ranked values
![| | visual | ratios | 6 | beryllium | | 0.488 | 1 5 | magnesium | | 0.7 | 1.43 4 | calcium | | 0.84 | 1.71 3 | strontium | | 0.93 | 1.9 2 | barium | | 1 | 2.05 1 | radium | | 1 | 2.05](../image_source/51ee35fe23c2efdedbf2061af249fcf1.png)
| | visual | ratios | 6 | beryllium | | 0.488 | 1 5 | magnesium | | 0.7 | 1.43 4 | calcium | | 0.84 | 1.71 3 | strontium | | 0.93 | 1.9 2 | barium | | 1 | 2.05 1 | radium | | 1 | 2.05
Plot
![Plot](../image_source/2c23260b9caa01a32cd1a9dd52e371ff.png)
Plot
Periodic table location
![Periodic table location](../image_source/ffd778060cdac42b4177931f50147413.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/61289d7f06ece6f44e8268b7904e1460.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
Atomic radius rankings
![1 | beryllium | 105 pm 2 | magnesium | 150 pm 3 | calcium | 180 pm 4 | strontium | 200 pm 5 | radium | 215 pm 6 | barium | 215 pm](../image_source/2f7e9e8d75d74ef372a411959c04fa5b.png)
1 | beryllium | 105 pm 2 | magnesium | 150 pm 3 | calcium | 180 pm 4 | strontium | 200 pm 5 | radium | 215 pm 6 | barium | 215 pm
Unit conversions for median atomic radius 190 pm
![0.19 nm (nanometers)](../image_source/9d49d7469cb30f1693e654da96eb8610.png)
0.19 nm (nanometers)
![1.9×10^-10 meters](../image_source/b4ab8e9e796db7a3cebab6823e6daf6e.png)
1.9×10^-10 meters
![7.48×10^-9 inches](../image_source/26f583bc3f173799036c588640da946c.png)
7.48×10^-9 inches
![1.9 Å (ångströms)](../image_source/61bfd50ebb3bcb0842a00ac661fbc4de.png)
1.9 Å (ångströms)
Comparisons for median atomic radius 190 pm
![≈ 6.1 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )](../image_source/8268306783e7c531a3711f64238eb9b4.png)
≈ 6.1 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
![≈ 7.6 × atomic radius of hydrogen ( ≈ 25 pm )](../image_source/3b266fc84761cabac856183280d34a6e.png)
≈ 7.6 × atomic radius of hydrogen ( ≈ 25 pm )