Neodymium vs Praseodymium
Neodymium and Praseodymium are genuine alternatives to one another — a choice somebody actually makes — and differ on 2 measured properties, molar mass most clearly.
Neodymium vs Praseodymium
Praseodymium
Pr
A rare earth used to make magnets stronger, glass yellow, and welders' goggles safe to look through.
| Property | Neodymium | Praseodymium |
|---|---|---|
| Atomic number | 60 higher | 59 |
| Density Only one of the two has a figure we can stand behind, so there is nothing to compare. | Not known | 6.773 g/cm³ |
| Melting point Only one of the two has a figure we can stand behind, so there is nothing to compare. | Not known | 935 °C |
| Mohs hardness Mohs hardness is an ordinal scale: values can be ranked, but differences and ratios between them are not meaningful. | about 2.5 | about 2.5 |
| Molar mass | 144.242 g/mol higher | 140.90766 g/mol |