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Tâng, 29Cu
Native copper (~4 cm in size)
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| Ki-pún sèng-chit |
| Miâ, hû-hō |
Tâng, Cu |
| Eng-bûn |
copper |
| Gōa-hêng |
red-orange metallic luster |
| Tâng tī chiu-kî-piáu lāi ê ūi-tì |
|
|
| Goân-chú-hoan |
29 |
| Goân-chú-liōng (±) |
63.546(3)[1] |
| Goân-sò͘ lūi-pia̍t |
kòe-tō͘ kim-sio̍k |
| Cho̍k, hun-khu |
11 cho̍k, d khu |
| Chiu-kî |
tē 4 chiu-kî |
| Tiān-chú pâi-lia̍t |
[Ar] 3d10 4s1 |
| per shell |
2, 8, 18, 1 |
| Bu̍t-lí sèng-chit |
| Siòng |
kò͘-thé |
| Iûⁿ-tiám |
1357.77 K (1084.62 °C, 1984.32 °F) |
| Hut-tiám |
2835 K (2562 °C, 4643 °F) |
| Bi̍t-tō͘ (sek-un) |
8.96 g·cm−3 |
| 8.02 g·cm−3 |
| Iûⁿ-hoà-jia̍t |
13.26 kJ·mol−1 |
| Cheng-hoat-jia̍t |
300.4 kJ·mol−1 |
| Jia̍t-iông-liōng |
24.440 J·mol−1·K−1 |
cheng-khì-ap
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| tī T (K) |
1509 |
1661 |
1850 |
2089 |
2404 |
2834 |
|
| Goân-chú sèng-chit |
| Sng-hòa-sò͘ |
−2, +1, +2, +3, +4 (a mildly basic oxide) |
| Tiān-hū-tō͘ |
Pauling scale: 1.90 |
| Tiān-lī-lêng |
1st: 745.5 kJ·mol−1
2nd: 1957.9 kJ·mol−1
3rd: 3555 kJ·mol−1
(more) |
| Goân-chú pòaⁿ-kèng |
empirical: 128 pm |
| Kiōng-kè pòaⁿ-kèng |
132±4 pm |
| Van der Waals pòaⁿ-kèng |
140 pm |
| Cha̍p-lio̍k |
| Chiⁿ-thé kò͘-chō |
face-centered cubic (fcc)
|
| Siaⁿ-sok (sòe kùn-á) |
(annealed)
3810 m·s−1 (at r.t.) |
| Jia̍t-phòng-tiòng |
16.5 µm·m−1·K−1 (at 25 °C) |
| Jia̍t-thoân-tō-lu̍t |
401 W·m−1·K−1 |
| Tiān-chó͘-lu̍t |
16.78 nΩ·m (at 20 °C) |
| Chû-sèng |
diamagnetic[2] |
| Young hē-sò͘ |
110–128 GPa |
| Shear hē-sò͘ |
48 GPa |
| Bulk hē-sò͘ |
140 GPa |
| Poisson pí |
0.34 |
| Mohs ngē-tō͘ |
3.0 |
| Vickers ngē-tō͘ |
343–369 MPa |
| Brinell ngē-tō͘ |
235–878 MPa |
| CAS teng-kì pian-hō |
7440-50-8 |
| Le̍k-sú |
| Hō-miâ |
after Cyprus, principal mining place in Roman era (Cyprium) |
| Hoat-hiān |
Middle East (9000 BCE) |
| Chòe ún-tēng ê tông-ūi-sò͘ |
| Chú bûn-chiong: Tâng ê tông-ūi-sò͘ |
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Cu (Latin-gí: cuprum) ia̍h tâng sī chiu-kî-pió lāi-té 1 chióng hoà-ha̍k goân-sò͘, goân-chú-hoan 29. Cu sī chióng hó-chhun-iân (ductility), koè-tiān-lu̍t koân ê kim-sio̍k (metal), tiāⁿ ēng lâi koè-tiān, chò tiau-khek ia̍h kiàn-tio̍k ê châi-liāu, he̍k-chiá chiâⁿ-chò hūn-kim (alloy) ê sêng-hun.
