Magnesium, ia̍h-sī kiò chò khó͘-thó͘ (苦土)[4], sī chi̍t khoán hoà-ha̍k goân-sò͘, hû-hō sī Mg, goân-chú-hoan 12, sio̍k tē-jī cho̍k, ia̍h-tio̍h-sī alkali-thô͘ kim-sio̍k (alkaline earth metal).
Quick facts Ki-pún sèng-chit, Miâ, hû-hō ...
Magnesium, 12Mg |
 Spectral lines of magnesium |
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| Miâ, hû-hō | magnesium, Mg |
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| Phian-miâ | khó͘-thó͘ |
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| Gōa-hêng | shiny grey solid |
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| Goân-chú-hoan | 12 |
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| Goân-chú-liōng | 24.305[1] (24.304–24.307)[2] |
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| Goân-sò͘ lūi-pia̍t | kiⁿ-thó͘ kim-sio̍k |
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| Cho̍k, hun-khu | 2 cho̍k, s khu |
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| Chiu-kî | tē 3 chiu-kî |
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| Tiān-chú pâi-lia̍t | [Ne] 3s2 |
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| per shell | 2, 8, 2 |
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| Siòng | kò͘-thé |
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| Iûⁿ-tiám | 923 K (650 °C, 1202 °F) |
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| Hut-tiám | 1363 K (1091 °C, 1994 °F) |
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| Bi̍t-tō͘ (sek-un) | 1.738 g·cm−3 |
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| 1.584 g·cm−3 |
| Iûⁿ-hoà-jia̍t | 8.48 kJ·mol−1 |
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| Cheng-hoat-jia̍t | 128 kJ·mol−1 |
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| Jia̍t-iông-liōng | 24.869 J·mol−1·K−1 |
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cheng-khì-ap
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| tī T (K) |
701 |
773 |
861 |
971 |
1132 |
1361 |
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| Sng-hòa-sò͘ | +2, +1[3] (a strongly basic oxide) |
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| Tiān-hū-tō͘ | Pauling scale: 1.31 |
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| Tiān-lī-lêng | 1st: 737.7 kJ·mol−1
2nd: 1450.7 kJ·mol−1
3rd: 7732.7 kJ·mol−1
(more) |
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| Goân-chú pòaⁿ-kèng | empirical: 160 pm |
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| Kiōng-kè pòaⁿ-kèng | 141±7 pm |
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| Van der Waals pòaⁿ-kèng | 173 pm |
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| Chiⁿ-thé kò͘-chō | hexagonal close-packed (hcp) |
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| Siaⁿ-sok (sòe kùn-á) | 4940 m·s−1 (at r.t.) (annealed) |
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| Jia̍t-phòng-tiòng | 24.8 µm·m−1·K−1 (at 25 °C) |
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| Jia̍t-thoân-tō-lu̍t | 156 W·m−1·K−1 |
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| Tiān-chó͘-lu̍t | 43.9 nΩ·m (at 20 °C) |
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| Chû-sèng | paramagnetic |
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| Young hē-sò͘ | 45 GPa |
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| Shear hē-sò͘ | 17 GPa |
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| Bulk hē-sò͘ | 45 GPa |
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| Poisson pí | 0.290 |
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| Mohs ngē-tō͘ | 1–2.5 |
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| Brinell ngē-tō͘ | 44–260 MPa |
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| CAS teng-kì pian-hō | 7439-95-4 |
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| Hō-miâ | after Magnesia, Greece |
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| Hoat-hiān | Joseph Black (1755) |
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| Siōng chá hû-lî | Humphry Davy (1808) |
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| Chú bûn-chiong: magnesium ê tông-ūi-sò͘ |
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 24Mg |
78.99% |
24Mg is stable with 12 neutrons
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| 25Mg |
10.00% |
25Mg is stable with 13 neutrons
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| 26Mg |
11.01% |
26Mg is stable with 14 neutrons |
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