Tuesday, June 26, 2007

Magniy www.tool-tool.com

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Magniy / Magnesium (Mg)
Atom raqami 12
Koʻrinishi yengil, yumshoq, oqish-kumush rang metall
Atom xossasi
Atom massasi
(molyar massasi)
24,305 m. a. b. (g/mol)
Atom radiusi 160 pm
Ionlashish energiyasi
(birinchi elektron)
737,3 (7,64) kJ/mol (eV)
Elektron konfiguratsiyasi [Ne] 3s2
Kimyoviy xossalari
Kovalentlik radiusi 136 pm
Ion radiusi 66 (+2e) pm
Elektrmanfiylik
(Poling boʻyicha)
1,31
Elektrod potensiali −2,37 В
Oksidlanish darajasi 2
Termodinamik xossalari
Zichlik 1,738 g/sm³
Solishtirma issiqlik sigʻimi 1,025 J/(K·mol)
Issiqlik oʻtkazuvchanlik 156 Vt/(m·K)
Erish harorati 922 K
Erish issiqligi 9,20 kJ/mol
Qaynash harorati 1 363 K
Qaynash issiqligi 131,8 kJ/mol
Molyar hajm 14,0 sm³/mol
Kristall panjarasi
Panjara tuzilishi geksagonal
Panjara davri 3,210 Å
Panjara/atom nisbati 1,624
Debay harorati 318,00 K
Magniy - unsurlar davriy jadvalining 12 unsuri, ishqoriy metall.


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