Thih (鐵, hoà-ha̍k hû-hō: Fe, Latin-gí: ferrum), ia̍h thih-á, sī chiu-kî-pió lāi-té ê 1 chióng hoà-ha̍k goân-sò͘, goân-chú-hoan 26. Thih sī chióng kim-sio̍k, sio̍k tī tē 8 cho̍k goân-sò͘ (group 8 element), mā sī tē 4 chiu-kî goân-sò͘ (period 4 element). Thih sī chheⁿ-hu̍t goân-sò͘ ha̍p-sêng (stellar nucleosynthesis) siāng kài boé chò--chhut-lâi ê goân-sò͘, khiā kóng bián chhiau-sin-chheⁿ (supernova) ia̍h lūi-sū ê sū-kiāⁿ tō ū ê goân-sò͘ lāi-té siāng tāng--ê. Tō sī chit ê iân-kò͘, Thih sī ú-tiū--nih liōng siāng chē ê tāng kim-sio̍k (heavy metals).
Quick Facts Ki-pún sèng-chit, Miâ, hû-hō ...
Thih, 26Fe
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 Spectral lines of iron |
Ki-pún sèng-chit |
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Miâ, hû-hō |
Thih, Fe |
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Eng-bûn |
iron |
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Gōa-hêng |
lustrous metallic with a grayish tinge |
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Thih tī chiu-kî-piáu lāi ê ūi-tì |
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Goân-chú-hoan |
26 |
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Goân-chú-liōng (±) |
55.845(2)[1] |
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Goân-sò͘ lūi-pia̍t |
kòe-tō͘ kim-sio̍k |
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Cho̍k, hun-khu |
8 cho̍k, d khu |
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Chiu-kî |
tē 4 chiu-kî |
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Tiān-chú pâi-lia̍t |
[Ar] 3d6 4s2 |
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per shell |
2, 8, 14, 2 |
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Bu̍t-lí sèng-chit |
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Siòng |
kò͘-thé |
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Iûⁿ-tiám |
1811 K (1538 °C, 2800 °F) |
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Hut-tiám |
3134 K (2862 °C, 5182 °F) |
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Bi̍t-tō͘ (sek-un) |
7.874 g·cm−3 |
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6.98 g·cm−3 |
Iûⁿ-hoà-jia̍t |
13.81 kJ·mol−1 |
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Cheng-hoat-jia̍t |
340 kJ·mol−1 |
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Jia̍t-iông-liōng |
25.10 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) |
1728 |
1890 |
2091 |
2346 |
2679 |
3132 |
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Goân-chú sèng-chit |
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Sng-hòa-sò͘ |
−4, −2, −1, +1,[2] +2, +3, +4, +5,[3] +6 (an amphoteric oxide) |
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Tiān-hū-tō͘ |
Pauling scale: 1.83 |
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Tiān-lī-lêng |
1st: 762.5 kJ·mol−1 2nd: 1561.9 kJ·mol−1 3rd: 2957 kJ·mol−1 (more) |
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Goân-chú pòaⁿ-kèng |
empirical: 126 pm |
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Kiōng-kè pòaⁿ-kèng |
Low spin: 132±3 pm High spin: 152±6 pm |
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Cha̍p-lio̍k |
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Chiⁿ-thé kò͘-chō |
body-centered cubic (bcc) a=286.65 pm |
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Chiⁿ-thé kò͘-chō |
face-centered cubic (fcc) between 1185–1667 K |
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Siaⁿ-sok (sòe kùn-á) |
5120 m·s−1 (at r.t.) (electrolytic) |
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Jia̍t-phòng-tiòng |
11.8 µm·m−1·K−1 (at 25 °C) |
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Jia̍t-thoân-tō-lu̍t |
80.4 W·m−1·K−1 |
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Tiān-chó͘-lu̍t |
96.1 nΩ·m (at 20 °C) |
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Curie un-tō͘ |
1043 K |
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Chû-sèng |
ferromagnetic |
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Young hē-sò͘ |
211 GPa |
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Shear hē-sò͘ |
82 GPa |
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Bulk hē-sò͘ |
170 GPa |
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Poisson pí |
0.29 |
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Mohs ngē-tō͘ |
4 |
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Vickers ngē-tō͘ |
608 MPa |
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Brinell ngē-tō͘ |
200–1180 MPa |
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CAS teng-kì pian-hō |
7439-89-6 |
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Le̍k-sú |
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Hoat-hiān |
before 5000 BC |
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Chòe ún-tēng ê tông-ūi-sò͘ |
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Chú bûn-chiong: Thih ê tông-ūi-sò͘ |
iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
54Fe |
5.8% |
>3.1×1022 y |
εε |
0.668 |
54Cr |
55Fe |
syn |
2.73 y |
ε |
0.231 |
55Mn |
56Fe |
91.72% |
56Fe is stable with 30 neutrons |
57Fe |
2.2% |
57Fe is stable with 31 neutrons |
58Fe |
0.28% |
58Fe is stable with 32 neutrons |
59Fe |
syn |
44.503 d |
β− |
1.565 |
59Co |
60Fe |
syn |
2.6×106 y |
β− |
3.978 |
60Co |
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Decay modes in parentheses are predicted, but have not yet been observed |
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