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Cerium, 58 Ce
Ki-pún sèng-chit Miâ, hû-hō
cerium, Ce Gōa-hêng
silvery white Cerium tī chiu-kî-piáu lāi ê ūi-tì
Goân-chú-hoan
58 Goân-chú-liōng (±)
140.116(1)[1] Goân-sò͘ lūi-pia̍t
lanthanum-hē Cho̍k , hun-khu
n/a , f khu Chiu-kî
tē 6 chiu-kî Tiān-chú pâi-lia̍t
[Xe ] 4f1 5d1 6s2 [2] per shell
2, 8, 18, 19, 9, 2 Bu̍t-lí sèng-chit Siòng
solid Iûⁿ-tiám
1068 K (795 °C, 1463 °F) Hut-tiám
3716 K (3443 °C, 6229 °F) Bi̍t-tō͘ (sek-un )
6.770 g·cm−3
6.55 g·cm−3 Iûⁿ-hoà-jia̍t
5.46 kJ·mol−1 Cheng-hoat-jia̍t
398 kJ·mol−1 Jia̍t-iông-liōng
26.94 J·mol−1 ·K−1
cheng-khì-ap
P (Pa)
1
10
100
1 k
10 k
100 k
tī T (K)
1992
2194
2442
2754
3159
3705
Goân-chú sèng-chit Sng-hòa-sò͘
4 , 3 , 2, 1 (a mildly basic oxide) Tiān-hū-tō͘
Pauling scale: 1.12 Tiān-lī-lêng
1st: 534.4 kJ·mol−1 2nd: 1050 kJ·mol−1 3rd: 1949 kJ·mol−1 (more ) Goân-chú pòaⁿ-kèng
empirical: 181.8 pm Kiōng-kè pòaⁿ-kèng
204±9 pm Cha̍p-lio̍k Chiⁿ-thé kò͘-chō
double hexagonal close-packed (dhcp) β-Ce Chiⁿ-thé kò͘-chō
face-centered cubic (fcc) γ-Ce Siaⁿ-sok (sòe kùn-á)
2100 m·s−1 (at 20 °C) Jia̍t-phòng-tiòng
γ, poly: 6.3 µm·m−1 ·K−1 (at r.t. ) Jia̍t-thoân-tō-lu̍t
11.3 W·m−1 ·K−1 Tiān-chó͘-lu̍t
β, poly: 828 nΩ·m (at r.t. ) Chû-sèng
paramagnetic [3] Young hē-sò͘
γ form: 33.6 GPa Shear hē-sò͘
γ form: 13.5 GPa Bulk hē-sò͘
γ form: 21.5 GPa Poisson pí
γ form: 0.24 Mohs ngē-tō͘
2.5 Vickers ngē-tō͘
210–470 MPa Brinell ngē-tō͘
186–412 MPa CAS teng-kì pian-hō
7440-45-1 Le̍k-sú Hō-miâ
after dwarf planet Ceres , itself named after Roman deity of agriculture Ceres Hoat-hiān
Martin Heinrich Klaproth , Jöns Jakob Berzelius , Wilhelm Hisinger (1803) Siōng chá hû-lî
Carl Gustaf Mosander (1839) Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: cerium ê tông-ūi-sò͘
Decay modes in parentheses are predicted, but have not yet been observed
Cerium sī 1 ê hoà-ha̍k goân-sò͘ . I ê goân-chú-hoan sī 58, hoà-ha̍k hû-hō sī Ce.