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 |
| Ki-pún sèng-chit |
|---|
| Miâ, hû-hō |
magnesium, Mg |
|---|
| Phian-miâ |
khó͘-thó͘ |
|---|
| Gōa-hêng |
shiny grey solid |
|---|
| Magnesium tī chiu-kî-piáu lāi ê ūi-tì |
|---|
|
|
| Goân-chú-hoan |
12 |
|---|
| Goân-chú-liōng |
24.305[1] (24.304–24.307)[2] |
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| Goân-sò͘ lūi-pia̍t |
kiⁿ-thó͘ kim-sio̍k |
|---|
| 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 |
|---|
| per shell |
2, 8, 2 |
|---|
| Bu̍t-lí sèng-chit |
|---|
| Siòng |
kò͘-thé |
|---|
| Iûⁿ-tiám |
923 K (650 °C, 1202 °F) |
|---|
| Hut-tiám |
1363 K (1091 °C, 1994 °F) |
|---|
| Bi̍t-tō͘ (sek-un) |
1.738 g·cm−3 |
|---|
|
1.584 g·cm−3 |
| Iûⁿ-hoà-jia̍t |
8.48 kJ·mol−1 |
|---|
| Cheng-hoat-jia̍t |
128 kJ·mol−1 |
|---|
| Jia̍t-iông-liōng |
24.869 J·mol−1·K−1 |
|---|
cheng-khì-ap
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| tī T (K) |
701 |
773 |
861 |
971 |
1132 |
1361 |
|
| Goân-chú sèng-chit |
|---|
| Sng-hòa-sò͘ |
+2, +1[3] (a strongly basic oxide) |
|---|
| Tiān-hū-tō͘ |
Pauling scale: 1.31 |
|---|
| Tiān-lī-lêng |
1st: 737.7 kJ·mol−1
2nd: 1450.7 kJ·mol−1
3rd: 7732.7 kJ·mol−1
(more) |
|---|
| Goân-chú pòaⁿ-kèng |
empirical: 160 pm |
|---|
| Kiōng-kè pòaⁿ-kèng |
141±7 pm |
|---|
| Van der Waals pòaⁿ-kèng |
173 pm |
|---|
| Cha̍p-lio̍k |
|---|
| Chiⁿ-thé kò͘-chō |
hexagonal close-packed (hcp) |
|---|
| Siaⁿ-sok (sòe kùn-á) |
4940 m·s−1 (at r.t.) (annealed) |
|---|
| Jia̍t-phòng-tiòng |
24.8 µm·m−1·K−1 (at 25 °C) |
|---|
| 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 |
|---|
| Young hē-sò͘ |
45 GPa |
|---|
| Shear hē-sò͘ |
17 GPa |
|---|
| Bulk hē-sò͘ |
45 GPa |
|---|
| Poisson pí |
0.290 |
|---|
| 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 |
|---|
| Le̍k-sú |
|---|
| Hō-miâ |
after Magnesia, Greece |
|---|
| Hoat-hiān |
Joseph Black (1755) |
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| Siōng chá hû-lî |
Humphry Davy (1808) |
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| Chòe ún-tēng ê tông-ūi-sò͘ |
|---|
|
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
|
| 25Mg |
10.00% |
25Mg is stable with 13 neutrons
|
| 26Mg |
11.01% |
26Mg is stable with 14 neutrons |
|
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