Palladium Chemical Properties (23 Facts You Should Know)

Palladium metal is a chemical element present in the periodic table. Let us discuss the features of palladium.

Palladium is a white or silver color shiny metal. It is a hard solid element and corrosion-resistant in nature. It is used in catalytic converters applied to cars. It is also used in jewelry. White gold is an alloy of metal gold formed by combining other metals like palladium.

Let us discuss the atomic number, symbol, atomic weight, density, electronegativity and many more chemical properties of palladium metal in this article.

Palladium symbol

The representation of elements of the periodic table within 2 to 3 alphabetical words is called a chemical symbol. Take a look below at the symbol of the palladium element.

The chemical symbol of palladium metal is ‘Pd.’

Palladium Group in the periodic table

The chemical elements placed in vertical columns of the modern periodic table are called groups of that element. Let us see the group of palladium elements.

The palladium metal is placed in group 10 of the periodic table. It is also known as the 10thB group.

Pd 1
Palladium element

Palladium period in the periodic table

A horizontal line or row of the periodic table where every element is placed by its last principle quantum number is called a period. Let us predict the period of palladium.

The palladium metal is placed in period 4 of the periodic table.

Palladium block in the periodic table

The periodic sections of elements with similar properties in the periodic table are known blocks of that element. Let us see the periodic block of the palladium element.

The palladium element belongs to the d-block elements of the periodic table.

Palladium atomic number

The total number of protons in the nucleus of an atom is known as its atomic number. Let us see the atomic number of palladium.

Palladium metal has an atomic number of 46, that is, it has 46 protons in its nucleus.

Palladium Atomic Weight

The average weight of atoms in an element on the periodic table is known as its atomic weight. Let us see the atomic weight of the palladium metal.

The atomic weight of palladium metal is 106.42 u.

Palladium Electronegativity, according to Pauling.

The electronegativity of an atom is its capacity to attract electrons from neighboring atoms. See the electronegativity of palladium metal below.

The electronegativity of palladium metal is 2.2.

Palladium atomic Density

The number of atoms of an element present per unit volume, per cm3, or barn cm of a substance is called its atomic density. Look below for the atomic density of palladium metal.

The atomic density of palladium metal is 12.023 g/cm3.

Palladium melting point

The substance gets melt at a certain temperature or point is its melting point. Let us understand the melting point of palladium.

The melting point of palladium is 1554.9 °C (1828.05 K, 2830.82 °F).

Palladium boiling point

The point or temperature at which the substance starts to boil is called its boiling point. Let us see the boiling point of palladium.

The boiling point of palladium metal is 2963 °C (3236 K, 5365 °F).

Palladium Vanderwaals radius

The distance between 2 atoms from their center of nuclei and held together by weak Van der Waals force of attraction is Van der Waals radius. Let us see it for palladium.

The Van der Waals radius of palladium metal is 163 ppm.

Palladium ionic/covalent radius

The covalent or ionic radius is the distance of the nucleus of two opposite atoms or ions in an ionic compound. Let us see the ionic radius of palladium metal.

The covalent radius of palladium metal is 137 pm, and the ionic radius is 73 pm.

Palladium isotopes

The same element/atoms having the same number of protons but a different number of neutrons are called isotopes. Take a look at various isotopes of Palladium metal.

Palladium metal has the natural isotope 46Pd. Various other isotopes of Palladium metal are listed below:

Isotopes of PdCharacters
Palladium – 102, 104, 105, 106, 108, and 110Most stable Palladium isotopes of Pd.
Palladium – 107 (107Pd)Most stable radioactive Isotope with a half-life of 6.5 million years of Pd.
Palladium – 103 (103Pd)Isotope with 17 days half-life period of Pd.
Palladium – 100 (56Pd)Isotope with 3.63 days half-life period of Pd.
Palladium – 101 (101Pd)Isotope with 8.47 hours half-life period of Pd
Palladium – 109 (109Pd)Isotope with 13.7 hours half-life period of Pd.
Palladium – 112 (112Pd)Isotope with 21 hours half-life period of Pd.
Palladium – 111 (111Pd)Isotope with 23.4 minutes half-life period of Pd
Palladium – 115 (115Pd)Isotope with 25 seconds half-life period of Pd
Isotopes of palladium element

Palladium electronic shell

The outer part of the atomic nucleus where the electrons get placed is called an electronic shell or electronic orbital. Let us see the electronic shell of palladium metal.

The electronic shell of palladium metal is 2, 8, 18, 18.

Palladium energy of first ionization

The essential amount of energy needed to cut off the high-energy electron of a neutral moiety is called 1st ionization energy. Look at the 1st ionization energy of Palladium metal.

The first ionization energy of Palladium metal is 804.389 kJ mol‑1.

Palladium energy of second ionization

A certain amount of energy is required to detach the electron from the +1 ion of the moiety is called 2nd ionization energy. Look at the 2nd ionization energy of Palladium metal.

The second ionization energy of Palladium metal is 1874.71 kJ mol‑1.

Palladium energy of third ionization

The essential amount of energy needed to cut off the high-energy electron of a neutral moiety is called 3rd ionization energy. Look at the 3rd ionization energy of Palladium metal.

The third ionization energy of Palladium metal is 3177.26 kJ mol‑1.

Palladium oxidation states

The tendency of an atom to gain or lose electrons in bond formation and have a positive or negative charge is called the oxidation state. See the oxidation number of palladium.

The oxidation states of palladium metal are 0, +1, +2, +3, +4, +5, etc.

Palladium electron configurations

The arrangement of electrons in the orbital or shell of atoms in some specific sequential form is an electronic configuration. See the electronic configuration of palladium metal.

The electronic configuration of palladium metal is:

  • 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 or
  • [Kr] 4d¹⁰

Palladium CAS number

The chemicals get assigned a registered unique identification number allotted by U. S. Chemical Abstracts Services called the CAS number. Look at the CAS number of palladium.

The CAS number for palladium metal is given as 7440-05-3.

Palladium ChemSpider ID

The Royal society of chemistry provides a service that gives the full data on chemicals with a unique ID for each chemical called ChemSpider ID. See the ChemSpider of palladium.

The ChemSpider ID for palladium metal is 22380.

Palladium chemical classification

The elements in the periodic table get classified as per their properties. Let us see the classification of palladium metal.

The palladium metal gets classified as a transition metal and comes under d-block elements.

Palladium state at room temperature

The state of matter of any chemical element that shows its solid, liquid, or gaseous nature is called the state of that element. Let us see which state is shown by palladium metal.

Palladium metal shows a solid state at room temperature.

Is palladium paramagnetic?

The magnetism of elements depends upon the presence of paired and unpaired electrons in their last orbitals. Let us see whether palladium metal is paramagnetic or not.

Palladium metal is paramagnetic due to its incomplete subshell. It has unpaired electrons. Thus on the application of an external magnetic field, it gets attracted toward the magnetic field and shows a paramagnetic nature.

Conclusion:

Palladium metal is a solid paramagnetic d-block transition metal element. It has an electronegativity value of 2.2, atomic number 46, electronic configuration [Kr] 4d¹⁰, atomic weight of 106.42 u, Density of 12.023 g/cm3, and belongs to the 10th group and 5th periods.