Magnesium

12 NatriumMagnesiumAluminium
Be

Mg

Ca

Skeiðbundna skipanin
Útsjónd

Silvurlitt metal
Alment
Evnafrøðiligt tekn: Mg
Atomnummar: 12
Atommassi: 24,3050(6) g/mol
Bólkur: 2
Perioda: 3
Elektronsamanseting: [Ne] 3s²
Elektronir pr. skal: 2, 8, 2
Atomradius: 150 pm
Kovalent radius: 130 pm
Van der Waals radius: 173 pm
Evnafrøðiligir eginleikar
Oxidatiónstrin: 2
Elektronegativitetur: 1,31 (Paulings skala)
Alisfrøðiligir eginleikar
Tilstandsformur: Fastur
Smeltipunkt: 650 °C
Elektriskur resistivitetur: 43,9 nΩ·m
Magnetiskir eginleikar: Paramagnetiskt
Mekaniskir eginleikar
Youngs modul: 45 GPa
Forskydningsmodul: 17 GPa
Kompressibilitetsmodul: 45 GPa
Poissons forhold: 0,29

Magnesium er eitt frumevni, ið er nummar 12 í skeiðbundnu skipaninini.


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