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29 nickeltângzinc
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Cu

Ag
Cu-TableImage.png
It-poaⁿ sèng-chit
Miâ, Hû-hō, Goân-chú-hoan tâng, Cu, 29
Hun-lūi transition metals
Cho̍k, Chiu-kî, Khu 11, 4, d
Goā-hêng metallic brown
Cu,29.jpg
Goân-chú-liōng 63.546(3) g/mol
Tiān-chú phoè-tì [Ar] 3d10 4s1
Ta̍k kai ê Tiān-chú 2, 8, 18, 1
Bu̍t-lí sèng-chit
Siòng solid
Bi̍t-tō͘ (oá sek-un) 8.96 g·cm−3
Iûⁿ-tiám ê e̍k-thé bi̍t-tō͘ 8.02 g·cm−3
Iûⁿ-tiám 1357.77 K
(1084.62 °C, 1984.32 °F)
Kún-tiám 2835 K
(2562 °C, 4643 °F)
Heat of fusion 13.26 kJ·mol−1
Khì-hoà-jia̍t 300.4 kJ·mol−1
Jia̍t-siaⁿ (25 °C) 24.440 J·mol−1·K−1
Cheng-khì-ap
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 1509 1661 1850 2089 2404 2836
Goân-chú sèng-chit
Kiat-chiⁿ kiat-kò͘ cubic face centered
Ióng-hoà 2, 1
(mildly basic oxide)
Hù-tiān-tō͘ 1.90 (Pauling piau-tō͘)
Lî-chú-hoà lêng-liōng
(chóng-pió)
tē 1: 745.5 kJ·mol−1
tē 2: 1957.9 kJ·mol−1
tē 3: 3555 kJ·mol−1
Goân-chú poàⁿ-kèng 135 pm
Goân-chú poàⁿ-kèng (calc.) 145 pm
Kiōng-kè poàⁿ-kèng 138 pm
Van der Waals poàⁿ-kèng 140 pm
Kî-thaⁿ sèng-chit
Chû-sèng hong-hiòng diamagnetic
Tiān-chó͘ (20 °C) 16.78 nΩ·m
Thoân-jia̍t-lu̍t (300 K) 401 W·m−1·K−1
Jia̍t-phòng-lu̍t (25 °C) 16.5 µm·m−1·K−1
Im-sok (po̍h phiáⁿ) (sek-un) (annealed)
3810  m·s−1
Young bô͘-liōng 130 GPa
Chián-chhiat bô͘-liōng 48 GPa
Ap-chin bô͘-liōng 140 GPa
Poisson pí 0.34
Mohs tēng-tō͘ 3.0
Vickers tēng-tō͘ 369 MPa
Brinell tēng-tō͘ 874 MPa
CAS hoan-hō 7440-50-8
Ū-miâ ê tông-ūi-sò͘
chham-khó: copper ê tông-ūi-sò͘
iso NA poàⁿ-kiám-kî DM DE (MeV) DP
63Cu 69.17% Cu ū 34 lia̍p tiong-chú ê ún-tēng tông-ūi-sò͘
65Cu 30.83% Cu ū 36 lia̍p tiong-chú ê ún-tēng tông-ūi-sò͘
Chham-khó
Cu (goân-sò͘)

Cu (Latin-gí: cuprum) ia̍h tângchiu-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.

Chham-khó: Chheⁿ-tâng.