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| Ìfarahàn |
silvery white solid
 |
| Àwọn ìní àníkárí |
| Orúkọ, àmì-ìdámọ̀, nọ́mbà |
magnésíọ̀mù, Mg, 12 |
| Ẹ̀ka apilẹ̀sẹ̀ |
alkaline earth metal |
| Àdìpọ̀, ìgbà, block |
2, 3, s |
| Ìwúwo átọ́mù |
24.3050(6) g·mol−1 |
| Ìtòjọ ẹ̀lẹ́ktrónì |
[Ne] 3s2 |
| Àwọn ẹ̀lẹ́ktrónì lórí ọ̀nà kan |
2, 8, 2 (Image) |
| Àwọn ìní aláfójúrí |
| Phase |
solid |
| Kíki (tó súnmọ́ r.t.) |
1.738 g·cm−3 |
| Liquid density at m.p. |
1.584 g·cm−3 |
| ojúàmì ìyọ́ |
923 K, 650 °C, 1202 °F |
| ajúàmì ìhó |
1363 K, 1091 °C, 1994 °F |
| Heat of fusion |
8.48 kJ·mol−1 |
| Heat of vaporization |
128 kJ·mol−1 |
| Specific heat capacity |
(25 °C) 24.869 J·mol−1·K−1 |
| Vapor pressure |
| P/Pa |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| at T/K |
701 |
773 |
861 |
971 |
1132 |
1361 |
|
| Atomic properties |
| Oxidation states |
2, 1 [1]
(strongly basic oxide) |
| Electronegativity |
1.31 (Pauling scale) |
Ionization energies
(more) |
1st: 737.7 kJ·mol−1 |
| 2nd: 1450.7 kJ·mol−1 |
| 3rd: 7732.7 kJ·mol−1 |
| Atomic radius |
160 pm |
| Covalent radius |
141±7 pm |
| Van der Waals radius |
173 pm |
| Miscellanea |
| Crystal structure |
hexagonal |
| Magnetic ordering |
paramagnetic |
| Electrical resistivity |
(20 °C) 43.9 nΩ·m |
| Thermal conductivity |
(300 K) 156 W·m−1·K−1 |
| Thermal expansion |
(25 °C) 24.8 µm·m−1·K−1 |
| Speed of sound (thin rod) |
(r.t.) (annealed)
4940 m·s−1 |
| 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 registry number |
7439-95-4 |
| Most stable isotopes |
| Main article: Isotopes of magnésíọ̀mù |
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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,[2] ati ikesan ni gbogbo Agbalaaye ti a mo.[3][4]