Magnésíọ̀mù

Magnésíọ̀mù, ₁₂Mg
Magnésíọ̀mù
Pípè	/mæɡˈniːziəm/ (mag-NEE-zee-əm)
Ìhànsójú	shiny grey solid
Ìwúwo átọ̀mù Ar, std(Mg)	[24.304, 24.307] conventional: 24.305
Magnésíọ̀mù ní orí tábìlì àyè
	sódíọ̀mù ← magnésíọ̀mù → alumíníọ̀mù
Nọ́mbà átọ̀mù (Z)	12
Ẹgbẹ́	group 2 (alkaline earth metals)
Àyè	àyè 3
Àdìpọ̀	Àdìpọ̀-s
Ẹ̀ka ẹ́límẹ́ntì	Alkaline earth metal
Ìtò ẹ̀lẹ́ktrọ́nù	[Ne] 3s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2, 8, 2
Àwọn ohun ìní ara
Ìfarahàn at STP	solid
Ìgbà ìyọ́	923 K (650 °C, 1202 °F)
Ígbà ìhó	1363 K (1091 °C, 1994 °F)
Kíki (near r.t.)	1.738 g/cm3
when liquid (at m.p.)	1.584 g/cm3
Heat of fusion	8.48 kJ/mol
Heat of	128 kJ/mol
Molar heat capacity	24.869 J/(mol·K)
Atomic properties
Oxidation states	+1, +2 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
Electronegativity	Pauling scale: 1.31
energies	(more);
Atomic radius	empirical: 160 pm
Covalent radius	141±7 pm
Van der Waals radius	173 pm
	Spectral lines of magnésíọ̀mù
Other properties
Natural occurrence	primordial
Crystal structure	hexagonal close-packed (hcp)
Speed of sound thin rod	(annealed); 4940 m/s (at r.t.)
Thermal expansion	24.8 µm/(m·K) (at 25 °C)
Thermal conductivity	156 W/(m·K)
Electrical resistivity	43.9 n Ω·m (at 20 °C)
Magnetic ordering	paramagnetic
Young's modulus	45 GPa
Shear modulus	17 GPa
Bulk modulus	45 GPa
Poisson ratio	0.290
Mohs hardness	2.5
Brinell hardness	260 MPa
CAS Number	7439-95-4
History
Discovery	Joseph Black (1755)
First isolation	Humphry Davy (1808)
Main isotopes of magnésíọ̀mù
	Àdàkọ:Category-inline; wo; ọ̀rọ̀; àtúnṣe; \| references

Magnésíọ̀mù (pípè /mæɡˈniːziəm/, mag-NEE-zee-əm) je apilese kemika pelu ami-idamo Mg, nomba atomu 12 ati nomba isodoksijini wiwopo +2. O je onide alkalini inu ile ati apilese pipo repete julo kejo ninu igbele Aye, ninbi to ti je bi 2% fun iposi,^[3] ati ikesan ni gbogbo Agbalaaye ti a mo.^[4]^[5]

Àyọkà yìí tàbí apá rẹ̀ únfẹ́ àtúnṣe sí.

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Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

↑ Bernath, P. F.; Black, J. H. & Brault, J. W. (1985). "The spectrum of magnesium hydride". Astrophysical Journal 298: 375. Bibcode 1985ApJ...298..375B. doi:10.1086/163620. http://bernath.uwaterloo.ca/media/24.pdf.
↑ Bernath, P. F., Black, J. H., & Brault, J. W. (1985). "The spectrum of magnesium hydride". Astrophysical Journal 298: 375. Bibcode 1985ApJ...298..375B. doi:10.1086/163620. http://bernath.uwaterloo.ca/media/24.pdf.
↑ Àṣìṣe ìtọ́kasí: Invalid <ref> tag; no text was provided for refs named Abundance
↑ Housecroft, Catherine E; Sharpe, Alan G. (2007). "Group 2 metals". Inorganic Chemistry (3 ed.). Harlow, England: Pearson. ISBN 9780131755536.
↑ Ash, Russell (2005). The Top 10 of Everything 2006: The Ultimate Book of Lists. Dk Pub. ISBN 0756613213. http://plymouthlibrary.org/faqelements.htm. .

[1] Bernath, P. F.; Black, J. H. & Brault, J. W. (1985). "The spectrum of magnesium hydride". Astrophysical Journal 298: 375. Bibcode 1985ApJ...298..375B. doi:10.1086/163620. http://bernath.uwaterloo.ca/media/24.pdf.

[2] Bernath, P. F., Black, J. H., & Brault, J. W. (1985). "The spectrum of magnesium hydride". Astrophysical Journal 298: 375. Bibcode 1985ApJ...298..375B. doi:10.1086/163620. http://bernath.uwaterloo.ca/media/24.pdf.

[Abundance-3] Àṣìṣe ìtọ́kasí: Invalid <ref> tag; no text was provided for refs named Abundance

[4] Housecroft, Catherine E; Sharpe, Alan G. (2007). "Group 2 metals". Inorganic Chemistry (3 ed.). Harlow, England: Pearson. ISBN 9780131755536.

[5] Ash, Russell (2005). The Top 10 of Everything 2006: The Ultimate Book of Lists. Dk Pub. ISBN 0756613213. http://plymouthlibrary.org/faqelements.htm. .

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