Rhenium Chemical Properties (23 Facts You Should Know)

Rhenium is an element of the modern periodic table. Here we are discussing the rhenium element’s chemical properties.

Rhenium is a metallic element of the periodic table and has grey-black color. It has high flexibility and high strength. It is used as a catalyst, mass spectrographs, alloys, thermistors, etc. It is considered a superalloy and used in aircraft applications.

In this editorial, we are learning about ionization energy, electronegativity, atomic number, ChemSpider ID, and various other chemical properties of the Rhenium element with some facts about it.

Rhenium symbol

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

The chemical symbol of rhenium metal is ‘Re.’

Rhenium 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 rhenium elements.

The rhenium metal is placed in group 7 of the periodic table. It is also known as the 7B group.

Rhenium period in the periodic table

The chemical elements placed in the horizontal rows of the modern periodic table are called periods of that element. Let us see the period of the rhenium element.

The rhenium metal is placed in period 7 of the periodic table.

Re 1
Rhenium metal

Rhenium 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 rhenium element.

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

Rhenium atomic number

The total number of protons in the nucleus of the atom of an element is known as its atomic number. Below see the atomic number of the rhenium element.

The rhenium metal has atomic number 75, i.e., there are 75 protons in its nucleus.

Rhenium atomic Weight

The overall Weight of an atom of the element in the periodic table is known as its atomic Weight. Let us see the atomic Weight of the rhenium metal.

The Atomic Weight of rhenium metal is 186.207 u.

Rhenium Electronegativity, according to Pauling.

Electronegativity is the property of an element that shows its ability to attract electrons of other atoms toward itself. See the electronegativity of rhenium metal below.

The electronegativity of rhenium metal is 1.9.

Rhenium 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 rhenium metal.

The atomic Density of the rhenium metal is 21.02 g/cm3.

Rhenium melting point

The point or temperature at which the substance starts melting is called its melting point. Look at the melting point or temperature at which Rhenium gets melted.

The melting point of the rhenium metal is 3186 °C (3459 K, 5767 °F).

Rhenium boiling point

The point or temperature at which the substance starts to boil is called its boiling point. Let us see the boiling point or temperature at which Rhenium gets boiled.

The boiling point of the rhenium metal is 5630 °C (5903 K, 10,170 °F).

Rhenium Vanderwaals radius

The distance between 2 atoms from their center of nuclei and held together by weak Vander Waals force of attraction is VanderWaals radius. See the VanderWaals radius of rhenium.

The VanderWaals radius of rhenium metal is 248 ppm.

Rhenium ionic radius

The distance between the center of the nucleus of two ions in a crystal lattice is called the ionic radius. Let us see the ionic radius of rhenium metal.

The ionic radius of rhenium metals is 205 pm.

Rhenium isotopes

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

Rhenium metal has the natural isotope 75Re. The various isotopes of rhenium metal are listed below-given the table.

Isotopes of Re Characters
Rheniium – 185 (185Re) Most stable Rheniium isotopes
Rheniium – 187 (187Re) The most unstable radioactive isotope with a half-life of 4.12 x ×1010 years of Re.
Rheniium – 183 (183Re) The long-lived isotope with 70 days half-life period of Re.
Rheniium – 184 (184Re) Isotope with 38 days half-life period of Re
Rheniium – 186 (186Re) Isotope with 3.7186 days half-life period of Re
Rheniium – 182 (182Re) Isotope with 64.0 hours half-life period of Re.
Rheniium – 189 (189Re) Isotope with 24.3 hours half-life period of Re.
Rheniium – 186 (186Re) Isotope with 200,000 years half-life period of Re
Rheniium – 184 (184Re) Isotope with 169 days half-life period of Re
Isotopes of Rhenium metal

Rhenium 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 rhenium metal.

The electronic shells of rhenium metal are 2, 8, 18, 32, 13, 2.

Rhenium energy of first ionization

A certain amount of energy required to detach a neutral moiety’s high-energy electron is called 1st ionization energy. Look at the 1st ionization energy of rhenium metal.

The first ionization energy of rhenium metal is 755.82 kJ mol‑1.

Rhenium 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 rhenium metal.

The second ionization energy of rhenium metal is 1600 kJ mol‑1.

Rhenium energy of third ionization

A certain amount of energy is required to detach the electron from the +2 ion of the moiety is called the 3rd ionization energy. Look at the 3rd ionization energy of rhenium metal.

The third ionization energy of rhenium metal is 2610 kJ mol‑1.

Rhenium electronic configuration

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 rhenium metal.

The electronic configuration of rhenium metal is:

  • 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d5 6s2 or
  • [Xe] 4f14 5d5 6s2

Rhenium 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 Rhenium.

The oxidation states of rhenium metal are +1, +2, +3, +4, +5, +6, +7, etc.

Rhenium CAS number

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

The CAS number for rhenium metal is given as 7440-15-5.

Rhenium 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 rhenium.

The ChemSpider ID for rhenium metal is 24773030.

Rhenium chemical classification

The periodic table elements get classified as per their similar properties and as particular type block elements. Let us see the classification of rhenium metal.

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

Rhenium 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 rhenium metal.

The rhenium metal shows a solid state at room temperature.

Is Rhenium paramagnetic?

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

Rhenium metal is paramagnetic due to its incomplete subshell. Also, it has unpaired electrons and shows a magnetic susceptibility value of +67.6×10−6 cm3/mol (293) K. Thus, on the application of an external magnetic field, it attracts the magnetic field and shows a paramagnetic nature.

Conclusion:

Rhenium metal has a d-block solid transition metal. It has atomic number 75 and a 1.9 electronegativity value. It belongs to the 7th group and period of the periodic table and has an atomic weight of 186.2 u. It has symbol Re and has electronic configuration [Xe] 4f14 5d5 6s2.