Praseodymium is a rare-earth metal.Let us discuss the chemical properties of Praseodymium in detail.
Praseodymium is a unique element among all the rare earth elements as it has paramagnetic properties at all temperatures above 1 K. Other rare earth metals are either ferromagnetic or antiferromagnetic in nature at lower temperatures. It is ductile and malleable.
Let us discuss electronic configuration, group, period, atomic number, atomic weight, boiling point and melting point of Praseodymium in this article.
Praseodymium symbol
The symbol of Praseodymium is Pr.
Praseodymium group in periodic table
Praseodymium belongs to the Lanthanide series. It is third member of this series.
Praseodymium period in periodic table
Praseodymium belongs to period 6 of the periodic table.
Praseodymium block in periodic table
Praseodymium occupies f-block of the periodic table.
Praseodymium atomic number
The atomic number of Praseodymium is 59.
Praseodymium atomic weight
The atomic weight of Praseodymium 140.908.
Praseodymium Electronegativity according to Pauling
The electronegativity of Praseodymium is 1.13 on Pauling scale.
Praseodymium atomic Density
Praseodymium has atomic density is 6.77 g/cm3 near room temperature.
Praseodymium melting point
The melting point of Praseodymium is 1208 K (935 οC).
Praseodymium boiling point
The boiling point of Praseodymium is 3403 K (3130 οC)
Praseodymium Van der Waals radius
The Van der waals radius (empirical) of Praseodymium is 182 pm.
Praseodymium ionic/covalent radius
The covalent radius of Praseodymium is 203±7 pm.
Praseodymium isotopes
Nature Praseodymium has only one stable isotope. Let us discuss isotopes of Praseodymium below.
The main isotopes of Praseodymium are as follows-
| Isotopes | Abundance | Half-life |
|---|---|---|
| 141Pr | 100% | stable |
| 142Pr | Synthetic | 19.12 hour |
| 143Pr | synthetic | 13.57 days |
Praseodymium electronic shell
The number of electronic shells an element possess is equal to the period number in which it is placed. Let us discuss it.
The number of electronic shells in Praseodymium is 6 that is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f3 5d0 6s2 .
Praseodymium energy of first ionization
The first ionization energy of Praseodymium is 527 kJ/mol.
Praseodymium energy of second ionization
The second energy of Praseodymium is 1020 kJ/mol.
Praseodymium energy of third ionization
The third ionization energy for Praseodymium is 2086 kJ/mol.
Praseodymium oxidation states
The oxidation states of Praseodymium are 0, +1, +2, +3, +4, +5
Praseodymium electronic configuration
The electronic configuration of Praseodymium is [Xe]4f36s2.
Praseodymium CAS Number
Praseodymium has CAS Number 7440-10-0.
Praseodymium ChemSpider ID
The ChemSpider ID of Praseodymium is 22384.
Praseodymium allotropic forms
Praseodymium exists in two allotropic forms. Let us know explore them.
Praseodymium is found in the two allotropic forms –
- α-phase has double close-packed hexagonal structure.
- β-phase has body-centred cubic structure.
Praseodymium chemical classification
Praseodymium belongs to the Lanthanide series of f-block.
Praseodymium state at room temperature
Praseodymium exists in the solid state at the room temperature.
Is Praseodymium paramagnetic?
A paramagnetic element must contain unpaired electrons. Let us discuss for Praseodymium below.
Praseodymium is paramagnetic as it is weakly attracted by the applied magnetic field.
Conclusion
Praseodymium exists in the Lanthanide series. It belongs to the 6th period. It is paramagnetic in nature. It exists in two allotropic forms.
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