Dysprosium element (Dy) is in period 6 of a periodic table. Dysprosium is in the f-block and it is classified as a lanthanide on the periodic table.
There is a lot more information related to dysprosium which is mentioned in the Information Table given below.
So let’s dive right into it!
Table of contents
- Dysprosium element (Information Table)
- Dysprosium element in Periodic table
- Facts about Dysprosium
- Properties of Dysprosium
- Uses of Dysprosium
Dysprosium Element (Information Table)
The important data related to dysprosium element is given in the table below.
|Appearance of dysprosium||Gray white metallic appearance|
|Atomic number of dysprosium||66|
|Symbol of dysprosium||Dy|
|Atomic mass of dysprosium||162.50 u|
|Protons, Neutrons & Electrons in dysprosium||Protons: 66, Neutrons: 97, Electrons: 66|
|State of dysprosium (at STP)||Solid|
|Period number of dysprosium in periodic table||6|
|Block of dysprosium in periodic table||f-block|
|Category of dysprosium||Inner transition metals|
|Bohr model or Electrons per shell or Electrons arrangement in dysprosium||2, 8, 18, 28, 8, 2|
|Electron configuration of dysprosium||[Xe] 4f10 6s2|
|Orbital diagram of dysprosium|
|Atomic radius of dysprosium (van der Waals radius)||229 picometers|
|Density of dysprosium||8.55 g/cm3|
|1st ionization energy of dysprosium||5.939 eV|
|Main isotope of dysprosium||164Dy|
|Melting point of dysprosium||1680 K or 1407 °C or 2565 °F|
|Boiling point of dysprosium||2840 K or 2562 °C or 4653 °F|
|Crystal structure of dysprosium||Hexagonal Close Packing (HCP)|
|Discovery of dysprosium||By Lecoq de Boisbaudran in 1886|
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).
Dysprosium element in Periodic table
The Dysprosium element (Dy) has the atomic number 66 and is located in period 6. Dysprosium is a metal and it is classified as a lanthanide group element.
Facts about dysprosium
Here are a few interesting facts about the dysprosium element.
- Lecoq de Boisbaudran discovered dysprosium in the year 1886.
- The name dysprosium was given from the Greek word “dysprositos” (which means “difficult to get at”).
- Dysprosium is not available from one place on the earth. But it is evenly spread on the earth.
- The earth’s crust contains about 6 ppm (by weight) of dysprosium.
- Monazite and bastnaesite are the most common minerals of dysprosium.
Properties of dysprosium
Here is a list of some physical properties and chemical properties of dysprosium.
Physical properties of dysprosium
- Dysprosium has a gray white metallic appearance.
- Dysprosium is soft and it can be cut with a knife too.
- There are many isotopes of dysprosium, but out of those isotopes the most abundant is 164Dy.
- The crystal structure of dysprosium is HCP.
- Dysprosium has a density of 8.55 g/cm3 and its atomic mass is 162.50 amu.
- The melting point and boiling of dysprosium is 1680 K and 2840 K respectively.
Chemical properties of dysprosium
- Pure dysprosium starts tarnishing when it is kept open in the air.
- Dysprosium is a reactive element and it is always found with other compounds in the earth’s crust.
- Dysprosium has a most common oxidation state of +3.
- The electronic configuration of dysprosium is [Xe] 4f10 6s2, and it is a f-block element as the last electron enters the f-orbital.
Uses of dysprosium
Here are some uses of the dysprosium element.
- Dysprosium has a capacity to absorb the neutrons, hence it is used as a neutron absorber in nuclear reactors.
- The alloy made by mixing dysprosium, terbium and iron is used in the sonar system.
- Dysprosium is also used in some devices like compact discs, hard drives, etc.