Gallium Element in Periodic Table | Atomic Number Atomic Mass

Gallium

Gallium Element:

Gallium is an element in the thirteenth group and fourth period of periodic table and it has the symbol Ga and atomic number 31. Gallium is a soft, silvery metal and thus has similarities to the other metals of the group, aluminum, indium and thallium. It  does not occur as a free element in nature; rather, it exists in trace amounts in zinc ores and in bauxite. Gallium contains 31 isotopes, ranging in mass number from 56 to 86, but only two of these isotopes, 69Ga and 71Ga are stable which occur naturally.

Gallium Element Uses:

  • Gallium is used in electronic circuits, semiconductors and light-emitting diodes (LEDs).
  • It is also useful in high-temperature thermometers, barometers, pharmaceuticals and nuclear medicine tests.
  • Gallium nitride is also used as semiconductor. It is used in Blu-ray technology, mobile phones, blue and green LEDs and pressure sensors for touch switches.
  • Gallium bonds easily with most metals and is particularly used to make low-melting alloys.

Gallium

Gallium Element Information:

Discovery year: 1875

Discovered by: Lecoq de Boisbaudran

Atomic number: 31

Relative atomic mass: 69.723 

Electron configuration: [Ar] 3d10 4s2 4p1

Block: p-block

Other elements in the same block:

Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Aluminium, Silicon, Phosphorus, Sulfur, Chlorine, Argon, Germanium, Arsenic, Selenium, Bromine, Krypton, Indium, Tin, Antimony, Tellurium, Iodine, Xenon, Thallium, Lead, Bismuth, Polonium, Astatine, Radon, Nihonium, Flerovium, Moscovium, Livermorium, Tennessine and Oganesson are the same block elements.

Period: period 4

Other elements in the same period:

Potassium, Calcium, Scandium, Titanium, Vanadium, Chromium, Manganese, Iron, Cobalt, Nickel, Copper, Zinc, Germanium, Arsenic, Selenium, Bromine and Krypton.

Group: group 13 (boron group)

Other elements in the same group:

Boron, Aluminium, Indium, Thallium and Nihonium are the same group elements.

Other elements in the same orbital:

Germanium, Arsenic, Selenium, Bromine and Krypton are the elements in the same orbital.

Allotropes: none

Key isotopes: 69Ga 

Melting point: 29.7646°C, 85.5763°F, 302.9146 K 

Boiling point: 2229°C, 4044°F, 2502 K 

Element category:  post-transition metal

Density (g cm−3): 5.91 

CAS number: 7440-55-3 

Color: silvery blue

You can know detailed information for each element,

Hydrogen, HeliumLithiumBerylliumBoronCarbonNitrogenOxygenFluorine,  Neon , SodiumMagnesiumAluminiumSiliconPhosphorusSulfurChlorineArgon, PotassiumCalciumScandiumTitaniumVanadiumChromiumManganeseIronCobaltNickelCopperZincGalliumGermaniumArsenicSeleniumBromine, Krypton,  Rubidium, StrontiumYttriumZirconiumNiobiumMolybdenumTechnetiumRutheniumRhodiumPalladiumSilverCadmiumIndiumTinAntimonyTelluriumIodine, Xenon,  Caesium, BariumLanthanum,  CeriumPraseodymiumNeodymiumPromethiumSamariumEuropiumGadoliniumTerbiumDysprosiumHolmiumErbiumThuliumYtterbiumLutetiumHafniumTantalumTungstenRheniumOsmiumIridiumPlatinumGoldMercuryThalliumLeadBismuthPoloniumAstatine, Radon,  Francium, RadiumActiniumThoriumProtactiniumUraniumNeptuniumPlutoniumAmericiumCuriumBerkeliumCaliforniumEinsteiniumFermiumMendeleviumNobeliumLawrenciumRutherfordiumDubniumSeaborgiumBohriumHassiumMeitneriumDarmstadtiumRoentgeniumCoperniciumNihoniumFleroviumMoscoviumLivermoriumTennessine, Oganesson.

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