Random triples
| Subject | Object |
|---|---|
| gptkb:argon | 71 pm |
| gptkb:NEON | 38 pm |
| gptkb:Curium | 174 pm |
| gptkb:rubidium | 248 pm |
| gptkb:CÉRIUM | 185 pm |
| gptkb:helium | 31 pm |
| gptkb:Americium | 173 pm |
| gptkb:Promethium | 183 pm |
| gptkb:cesium | 265 pm |
| gptkb:Alkali_metals | increases down the group |
| gptkb:Radon | 120 pm |
| gptkb:Dubnium | unknown |
| gptkb:caesium | 265 pm |
| gptkb:Einsteinium | 186 pm |
| gptkb:Krypton | 88 pm |
| gptkb:Helium | 31 pm |
| gptkb:Nihonium | unknown |
| gptkb:Fermium | unknown |
| gptkb:Tennessine | unknown |
| gptkb:krypton | 88 pm |