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Tâng, 29 Cu
Native copper (~4 cm in size)
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
Tâng (銅, hoà-ha̍k hû-hō : Cu, Latin-gí : cuprum ) sī chiu-kî-pió lāi-té chi̍t chióng hoà-ha̍k goân-sò͘ , goân-chú-hoan 29.
Tâng 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.