Rhenium (Re) – Periodic Table [Element Information & More]

rhenium element periodic table

Rhenium element (Re) is in group 7 and period 6 of a periodic table. Rhenium is in the d-block and it is classified as a transition element on the periodic table.

There is a lot more information related to rhenium which is mentioned in the Information Table given below.

So let’s dive right into it!

Table of contents

Rhenium Element (Information Table)

The important data related to rhenium element is given in the table below.

Appearance of rheniumSilvery gray metallic appearance
Atomic number of rhenium75
Symbol of rheniumRe
Atomic mass of rhenium (most stable isotope)186.21 u
Protons, Neutrons & Electrons in rheniumProtons: 75, Neutrons: 111, Electrons: 75
State of rhenium (at STP)Solid
Group number of rhenium in periodic table7
Period number of rhenium in periodic table6
Block of rhenium in periodic tabled-block
Category of rheniumTransition metal
Bohr model or Electrons per shell or Electrons arrangement in rhenium2, 8, 18, 32, 13, 2
Electron configuration of rhenium[Xe] 4f14 5d5 6s2
Orbital diagram of rheniumorbital diagram of rhenium
Electronegativity of rhenium (on pauling scale)1.9
Atomic radius of rhenium (van der Waals radius)217 picometers
Density of rhenium21.02 g/cm3
1st ionization energy of rhenium7.88 eV
Melting point of rhenium3459 K or 3186 °C or 5767 °F
Boiling point of rhenium5903 K or 5630 °C or 10170 °F
Crystal structure of rheniumHexagonal Close Packing (HCP)
Discovery of rheniumBy Otto Berg, Walter Noddack, Ida Noddack (in 1925)

Also see: Interactive Periodic Table (It has rotating bohr models as well as many other details of all the 118 elements in a single periodic table).

Rhenium element in Periodic table

The Rhenium element (Re) has the atomic number 75 and is located in group 7 and period 6. Rhenium is a metal and it is classified as a transition element.

H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La* Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac** Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
*Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
**Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr

Facts about rhenium

Here are a few interesting facts about the rhenium element.

  1. Otto Berg, Walter Noddack and Ida Noddack discovered rhenium in the year 1925.
  2. Rhenium was given its name from the Latin word “Rhenus” which means Rhine river, which is in Germany.
  3. Only 40 to 50 tons of rhenium is produced worldwide annually.
  4. Rhenium is very rare in the earth’s crust and it is only 7 parts per billion by weight.
  5. Rhenium is the 4th most dense element present on the periodic table.

Properties of rhenium

Here is a list of some physical properties and chemical properties of rhenium.

Physical properties of rhenium

  • Rhenium has a silvery gray appearance.
  • Rhenium has a high density (21.02 g/cm3) and its atomic mass is 186.21 amu.
  • The melting point and boiling point of rhenium is 3459 K and 5903 K respectively.
  • Rhenium has many isotopes and the most abundant isotope is 187Re.
  • Rhenium has HCP crystal structure.

Chemical properties of rhenium

  • Rhenium does not react with alkalis and dilute acids at room temperatures.
  • Rhenium starts to tarnish in the air if kept open for a longer time.
  • The electron configuration of rhenium is [Xe] 4f14 5d5 6s2 and it has incomplete d-orbitals.

Uses of rhenium

Here are some uses of the rhenium element.

  • Rhenium is used to make alloys that can resist high temperatures and requires strength.
  • Rhenium and platinum are used as a catalyst in production of high-octane gasoline.
  • Rhenium is also used to make alloy that is used in jet engine parts.

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