The Element Gallium

What is Gallium? Element Properties & Periodic Table Info

 
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Periodic Table What is the element Gallium as on the Periodic Table?

Definition of the Gallium Element
A rare metallic element that is liquid near room temperature, expands on solidifying, and is found as a trace element in coal, bauxite, and other minerals. Gallium is solid at normal room temperatures is soft enough to be cut with a knife. Along with
Mercury, cesium, and rubidium it becomes liquid when heated slightly.

It is used in semiconductor technology and as a component of various low-melting alloys.  It is stable in air and water; but it reacts with and dissolves in acids and alkalis. The Atomic Number of this element is 31 and the Element Symbol is Ga.

 

Origin / Meaning of the name Gallium
The name originates from the Latin word Gallia meaning France also gallus, meaning "rooster"after the French chemist Paul-Emile Lecoq de Boisbaudan known as 'Lecoq'.

Periodic Table Group and Classification of the of the Gallium Element
Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Gallium classified in the 'Other Metals' section which can be located in groups 13, 14, and 15 of the Periodic Table. All of these elements are solid, have a relatively high density and are opaque. Nearly 75% of all the elements in the Periodic Table are classified as metals which are detailed in the List of Metals.

Facts about the Discovery and History of the Gallium Element
Gallium was discovered by Paul Emile Lecoq de Boisbaudran in France in 1875.

History of the Periodic Table
Check out the brief History of the Periodic Table which details dates and the names of famous scientists and chemists who contributed to the development of the Periodic Table.

Occurrence of the Gallium Element
Gallium does not exist in pure form in nature
Found as a trace element in coal, bauxite, and other minerals

Abundances of the element in different environments
% in Universe 110-6%
% in Sun 410-6%
% in Meteorites 0.00076%
% in Earth's Crust 0.0019%
% in Oceans 310-9%
% in Humans N/A

Associated Uses of Gallium
Semi-conductors
Component of various low-melting alloys

Ga

The Properties of the Gallium Element
Symbol of Element : Ga
Atomic Number : 31
Atomic Mass: 69.723 amu
Melting Point: 29.78 C - 302.93 K
Boiling Point: 2403.0 C - 2676.15 K
Number of Protons/Electrons : 31
Number of Neutrons : 39
Crystal Structure: Orthorhombic
Density @ 293 K: 5.907 g/cm3
Color : white / silver

The Properties of the Gallium Element
Name of Element : Gallium
Symbol of Element : Ga
Atomic Number of Gallium : 31
Atomic Mass: 69.723 amu
Melting Point: 29.78 C - 302.93 K
Boiling Point: 2403.0 C - 2676.15 K
Number of Protons/Electrons in Gallium : 31
Number of Neutrons in Gallium : 39
Crystal Structure: Orthorhombic
Density @ 293 K: 5.907 g/cm3
Color of Gallium : white / silver

Gallium as on the Periodic Table
Check out Gallium 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 Gallium as on the Periodic Table 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.

Other elements classified as "Other Metals"
The other elements contained in the classification of Other Metals are as follows:

  • Aluminium
  • Indium
  • Tin
  • Thallium
  • Lead
  • Bismuth

What is Gallium - 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 in his day but still all fitting into his concept of  the "Periodic Table" in which Gallium is just one element that can be found.

Learn about what is Gallium with these fast facts...
These articles contain facts and information relating to Gallium and each of the other elements including the Periodic Symbol,  group, classification, properties and atomic number which is often referred to as the Periodic Table Number. Test your knowledge of chemistry and the Periodic Table by completing the Element Symbols and Atomic Numbers on our Blank Periodic Table. Chemistry students will also find a helpful section on Chemical Formulas.

What is the Element Gallium

The Elements are the building blocks of Modern Science & Chemistry


 

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