
Uranium element (U) is in period 7 of a periodic table. Uranium is in the f-block and it is classified as an actinide on the periodic table.
There is a lot more information related to uranium which is mentioned in the Information Table given below.
So let’s dive right into it!
Table of contents
- Uranium element (Information Table)
- Uranium element in Periodic table
- Facts about Uranium
- Properties of Uranium
- Uses of Uranium
Uranium Element (Information Table)
The important data related to uranium element is given in the table below.
Appearance of uranium | Silvery white metallic |
Atomic number of uranium | 92 |
Symbol of uranium | U |
Atomic mass of uranium | 238.03 u |
Protons, Neutrons & Electrons in uranium | Protons: 92, Neutrons: 146, Electrons: 92 |
State of uranium (at STP) | Solid |
Period number of uranium in periodic table | 7 |
Block of uranium in periodic table | f-block |
Category of uranium | Inner transition metals |
Bohr model or Electrons per shell or Electrons arrangement in uranium | 2, 8, 18, 32, 21, 9, 2 |
Electron configuration of uranium | [Rn] 5f3 6d1 7s2 |
Orbital diagram of uranium | ![]() |
Electronegativity of uranium (on pauling scale) | 1.38 |
Atomic radius of uranium (van der Waals radius) | 240 picometers |
Density of uranium | 19.05 g/cm3 |
1st ionization energy of uranium | 6.194 eV |
Main isotope of uranium | 234U, 235U and 238U |
Melting point of uranium | 1405 K or 1132 °C or 2070 °F |
Boiling point of uranium | 4404 K or 4131 °C or 7468 °F |
Crystal structure of uranium | Orthorhombic |
Discovery of uranium | By Martin Heinrich Klaproth in 1789 |
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).
Uranium element in Periodic table
The Uranium element (U) has the atomic number 92 and is located in period 7. Uranium is a metal and it is classified as an actinide group 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 uranium
Here are a few interesting facts about the uranium element.
- Uranium was given its name from the name of the planet Uranus.
- Uranium is the 50th most abundant element found from the earth’s crust.
- Martin Heinrich Klaproth discovered the element uranium in the year 1789.
- Uraninite is the ore from which the majority of uranium is obtained from the earth’s crust.
- The atomic bomb which was used during World War 2 was made from Uranium.
Properties of uranium
Here is a list of some physical properties and chemical properties of uranium.
Physical properties of uranium
- Uranium has a silvery gray metallic appearance.
- The density of uranium is 19.05 g/cm3 and its atomic mass is 238.03 amu.
- The melting point and boiling point of uranium is 1405 K and 4404 K respectively.
- There are many isotopes of uranium and all these isotopes are radioactive in nature.
Chemical properties of uranium
- Uranium forms an oxide layer when it reacts with the atmospheric air.
- Uranium dissolves in acids.
- Uranium is not affected by alkalis.
- Uranium is a radioactive as well as toxic element.
Uses of uranium
Here are some uses of the uranium element.
- The main use of uranium is in producing electricity in nuclear power plants.
- Uranium and thorium are responsible for the heat present in the earth’s crust.
- Uranium was once used in making pottery glazes as well as yellow glazes.
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