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magnésio

Also known as element 12, 12Mg

elemento químico com número atómico 12

OverviewAI-generated

Magnesium is a chemical element with the symbol Mg and atomic number 12. It has a standard atomic mass of 24.305 and typically exhibits an oxidation state of 2. The element’s electron configuration is described as 1s² 2s² 2p⁶ 3s² or [Ne] 3s². Its ionic radius measures 0.89, and it has an electronegativity of 1.

Magnesium melts at 649 degrees and boils at 1100 degrees. It possesses an electrical conductivity of 21,500,000 and a standard molar entropy of 32.7. The substance was discovered in 1755. In chemical databases, it is identified by the InChIKey FYYHWMGAXLPEAU-UHFFFAOYSA-N and has a topological polar surface area of 0. It is referenced by 4,738 other encyclopedia articles.

Synthesized by Vinony from 29 facts across 4 sources: Wikidata, PubMed, PubChem, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Chemical data

Formula: Mg
Molecular weight: 24.305 g/mol
IUPAC name: magnesium
SMILES: [Mg]
InChIKey: FYYHWMGAXLPEAU-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

via PubChem

Research

131,207 papers

Magnesium in Prevention and Therapy.Nutrients · 2015
Magnesium: Biochemistry, Nutrition, Detection, and Social Impact of Diseases Linked to Its Deficiency.Nutrients · 2021
Myth or Reality-Transdermal Magnesium?Nutrients · 2017
Magnesium in disease prevention and overall health.Advances in nutrition (Bethesda, Md.) · 2013
Magnesium: Are We Consuming Enough?Nutrients · 2018

via PubMed

Wikidata facts

Instance of: lithophile
Subclass of: alkaline earth metal
Part of: alkaline earth metal
Named after: magnesium oxide
Material used: olivine
Mass: 24.305
Image: Magnesium crystals.jpg

Show 22 more facts

topic's main category: Category:Magnesium
atomic number: 12
oxidation state: 1
element symbol: Mg
Commons category: Magnesium
Commons gallery: Magnesium
described by source: Encyclopædia Britannica 11th edition
time of discovery or invention: 1755-00-00
canonical SMILES: [Mg]
chemical formula: Mg
discoverer or inventor: Joseph Black
location of discovery: United Kingdom
electronegativity: 1
Unicode character: 鎂
different from: manganese
standard molar entropy: 32.7
electrical conductivity: 21500000
melting point: 649
boiling point: 1100
electron configuration: [Ne] 3s²
ionic radius: 0.89
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4

Sources (9)

via Wikidata · CC0

Article · Português

O magnésio é um elemento químico de símbolo Mg de número atômico 12 com massa atômica 24 u (12 prótons e 12 nêutrons). É um metal alcalinoterroso, pertencente ao grupo (ou família) 2 (anteriormente chamada IIA), sólido nas condições ambientais. É o oitavo elemento mais abundante na crosta terrestre, onde constitui cerca de 2,5% da sua massa, e o nono no Universo conhecido, no seu todo. Esta abundância do magnésio está relacionada com o facto de se formar facilmente em supernovas através da adição sequencial de três núcleos de hélio ao carbono (que é, por sua vez, feito de três núcleos de hélio). A alta solubilidade dos iões de magnésio na água assegura-lhe a posição como terceiro elemento mais abundante na água do mar. É empregado principalmente como elemento de liga com o alumínio. Outros usos incluem flashes fotográficos, pirotecnia e bombas incendiárias. O magnésio foi descoberto em 1755 pelo escocês Joseph Black na cidade de Magnesia.

Abstract from DBpedia / Wikipedia · CC BY-SA