Aluminium (Al) is a silver coloured metal often tarnished by oxidation that has the atomic number 13 in the periodic table. It is in Group 13 of the periodic table. It has the symbol Al. Aluminium makes up 8% of the earth’s land mass and is a relatively abundant metal. It is found in the earth’s crust bonded to oxygen in the ore Bauxite. From Wikipedia, the free encyclopedia Carbon-13 (13 C) is a natural, stable isotope of carbon with a nucleus containing six protons and seven neutrons. As one of the environmental isotopes, it makes up about 1.1% of all natural carbon on Earth.
Also found in: Thesaurus.- Atomic Number: 13: Atomic Radius: 184 pm (Van der Waals) Atomic Symbol: Al: Melting Point: 660.32 °C: Atomic Weight: 26.98: Boiling Point: 2470 °C: Electron Configuration: Ne3s 2 3p 1: Oxidation States: +3, +2, +1, −1, −2 (an amphoteric oxide) History. From the Latin word alumen, alum. The ancient Greeks and Romans used alum as an.
- Aluminum is a chemical element with symbol Al and atomic number 13. Classified as a post-transition metal, Aluminum is a solid at room temperature.
Noun | 1. | atomic number 13 - a silvery ductile metallic element found primarily in bauxite Al, aluminium, aluminum aluminium foil, aluminum foil, tin foil - foil made of aluminum metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. potash alum, potassium alum, alum - a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum alum, ammonia alum, ammonium alum - a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum bauxite - a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst |
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• ATOMIC NUMBER 13(noun)
Sense 1
Meaning:
A silvery ductile metallic element found primarily in bauxite
Classified under:
Nouns denoting substances
Element 13 Atomic Number
Synonyms:
Al; aluminium; aluminum; atomic number 13
Hypernyms ('atomic number 13' is a kind of..):
metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
Hyponyms (each of the following is a kind of 'atomic number 13'):
Atomic Number 138
alum; potash alum; potassium alum (a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum)
alum; ammonia alum; ammonium alum (a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum)
Holonyms ('atomic number 13' is a substance of..):
aluminium foil; aluminum foil; tin foil (foil made of aluminum)
Atomic Number 132
Print shop 5.0 free download. bauxite (a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst)
Atomic Number 130
Duralumin (an aluminum-based alloy)