The Element Holmium
 

Holmium - Element Properties and Periodic Table Information


Holmium - An element from the Periodic Table based on the IOUPAC 1985 standard

Chemical Elements

Periodic Table

Definition of the Holmium Element
A relatively soft, malleable, stable rare-earth element occurring in gadolinite, monazite, and other rare-earth minerals.

Origin / Meaning of the name Holmium
The
name originates from the Latin word Holmia meaning Stockholm.

Classification of the Holmium Element
Holmium
classified as an element in the Lanthanide series as one of the "Rare Earth Elements" which can located in Group 3 elements of the Periodic Table and in the 6th and 7th periods. The Rare Earth Elements are divided into the Lanthanide and Actinide series. The elements in the Lanthanide series closely resemble lanthanum, and one another, in their chemical and physical properties. Their compounds are used as catalysts in the production of petroleum and synthetic products.

 

Facts about the Discovery and History of the Holmium Element
Holmium was discovered by Marc Delafontaine and Jacques Louis Soret in 1878. Per Teodor Cleve independently discovered the element in 1878.

Occurrence the Holmium Element
Occurring in gadolinite, monazite and other rare-earth minerals

Associated Uses of Holmium
Nuclear reactors
 

The Properties of the Holmium Element
Name of Element : Holmium
Symbol of Element : Ho
Atomic Number: 67
Atomic Mass: 164.93031 amu
Melting Point: 1470.0 °C - 1743.15 °K
Boiling Point: 2720.0 °C - 2993.15 °K
Number of Protons/Electrons: 67
Number of Neutrons: 98
Crystal Structure: Hexagonal
Density @ 293 K: 8.54 g/cm3
Color: Silver

Holmium and the Periodic Table
Check out Holmium on the Periodic Table which arranges each chemical element according to its atomic number, as based on the periodic law, so that chemical elements with similar properties are in the same column. Our Periodic Table is simple to use - just click on the symbol for Holmium for additional information and for an instant comparison of the Atomic Weight, Melting Point, Boiling Point and Mass - G/cc with any other element. An invaluable source of facts and information as a Chemistry reference guide.

Holmium - IUPAC and the Modern Standardised Periodic Table
The Standardised Periodic Table in use today was agreed by the International Union of Pure Applied Chemistry, IUPAC, in 1985 and now recognises more periods and elements than Dimitri  Mendeleev knew in his day but still all fitting into his concept of  the "Periodic Table" in which Holmium is just one element that can be found.
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The Free Online Science Quiz contains many questions relating to Holmium and each additional element - group, classification, properties and atomic number.

The Element Holmium

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