
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)
- Rhenium element in Periodic table
- Facts about Rhenium
- Properties of Rhenium
- Uses of Rhenium
Rhenium Element (Information Table)
The important data related to rhenium element is given in the table below.
Appearance of rhenium | Silvery gray metallic appearance |
Atomic number of rhenium | 75 |
Symbol of rhenium | Re |
Atomic mass of rhenium (most stable isotope) | 186.21 u |
Protons, Neutrons & Electrons in rhenium | Protons: 75, Neutrons: 111, Electrons: 75 |
State of rhenium (at STP) | Solid |
Group number of rhenium in periodic table | 7 |
Period number of rhenium in periodic table | 6 |
Block of rhenium in periodic table | d-block |
Category of rhenium | Transition metal |
Bohr model or Electrons per shell or Electrons arrangement in rhenium | 2, 8, 18, 32, 13, 2 |
Electron configuration of rhenium | [Xe] 4f14 5d5 6s2 |
Orbital diagram of rhenium | ![]() |
Electronegativity of rhenium (on pauling scale) | 1.9 |
Atomic radius of rhenium (van der Waals radius) | 217 picometers |
Density of rhenium | 21.02 g/cm3 |
1st ionization energy of rhenium | 7.88 eV |
Melting point of rhenium | 3459 K or 3186 °C or 5767 °F |
Boiling point of rhenium | 5903 K or 5630 °C or 10170 °F |
Crystal structure of rhenium | Hexagonal Close Packing (HCP) |
Discovery of rhenium | By 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.
- Otto Berg, Walter Noddack and Ida Noddack discovered rhenium in the year 1925.
- Rhenium was given its name from the Latin word “Rhenus” which means Rhine river, which is in Germany.
- Only 40 to 50 tons of rhenium is produced worldwide annually.
- Rhenium is very rare in the earth’s crust and it is only 7 parts per billion by weight.
- 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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