Input interpretation
![rare earth metals | atomic radius](../image_source/ac2f7f9966f01610d17ed63208143c05.png)
rare earth metals | atomic radius
Summary
![median | 180 pm highest | 195 pm (lanthanum) lowest | 160 pm (scandium) distribution |](../image_source/935403d6ca7d409f2a968ce8daaeb9a0.png)
median | 180 pm highest | 195 pm (lanthanum) lowest | 160 pm (scandium) distribution |
Units
Plot
![Plot](../image_source/a55d5132ec08704defef5a4412f64da3.png)
Plot
Periodic table location
![Periodic table location](../image_source/73533751e91d06994ead78232f7c0de4.png)
Periodic table location
Atomic radii properties
![atomic radius (empirical) | median | 180 pm | highest | 195 pm (lanthanum) | lowest | 160 pm (scandium) | distribution | atomic radius (calculated) | median | 225 pm | highest | 247 pm (praseodymium) | lowest | 184 pm (scandium) | distribution | covalent radius | median | 194 pm | highest | 207 pm (lanthanum) | lowest | 170 pm (scandium) | distribution |](../image_source/2fa0a498a98e640172cafb5da33e3009.png)
atomic radius (empirical) | median | 180 pm | highest | 195 pm (lanthanum) | lowest | 160 pm (scandium) | distribution | atomic radius (calculated) | median | 225 pm | highest | 247 pm (praseodymium) | lowest | 184 pm (scandium) | distribution | covalent radius | median | 194 pm | highest | 207 pm (lanthanum) | lowest | 170 pm (scandium) | distribution |
Units
Atomic radius rankings
![1 | scandium | 160 pm 2 | lutetium | 175 pm 3 | ytterbium | 175 pm 4 | thulium | 175 pm 5 | erbium | 175 pm 6 | holmium | 175 pm 7 | dysprosium | 175 pm 8 | terbium | 175 pm 9 | gadolinium | 180 pm 10 | yttrium | 180 pm 11 | europium | 185 pm 12 | samarium | 185 pm 13 | promethium | 185 pm 14 | neodymium | 185 pm 15 | praseodymium | 185 pm 16 | cerium | 185 pm 17 | lanthanum | 195 pm](../image_source/ac19737a31ddf396709ec1b9201d947e.png)
1 | scandium | 160 pm 2 | lutetium | 175 pm 3 | ytterbium | 175 pm 4 | thulium | 175 pm 5 | erbium | 175 pm 6 | holmium | 175 pm 7 | dysprosium | 175 pm 8 | terbium | 175 pm 9 | gadolinium | 180 pm 10 | yttrium | 180 pm 11 | europium | 185 pm 12 | samarium | 185 pm 13 | promethium | 185 pm 14 | neodymium | 185 pm 15 | praseodymium | 185 pm 16 | cerium | 185 pm 17 | lanthanum | 195 pm
Unit conversions for median atomic radius 180 pm
![0.18 nm (nanometers)](../image_source/7134a0817358ec11363bb7943727cff6.png)
0.18 nm (nanometers)
![1.8×10^-10 meters](../image_source/95ebd3f3894c694729f4a404032e0304.png)
1.8×10^-10 meters
![7.09×10^-9 inches](../image_source/8c3b89024288d61fa1335ffdc3e1d0cf.png)
7.09×10^-9 inches
![1.8 Å (ångströms)](../image_source/e369f9897962a03a75c0b9b79f406ac5.png)
1.8 Å (ångströms)
Comparisons for median atomic radius 180 pm
![≈ 5.8 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )](../image_source/05fcb85e718687143ad5083777c6f6a3.png)
≈ 5.8 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
![≈ 7.2 × atomic radius of hydrogen ( ≈ 25 pm )](../image_source/1d023a0c7b8228b9a227d73d430078c5.png)
≈ 7.2 × atomic radius of hydrogen ( ≈ 25 pm )