Terbium, 65 Tb ngoi-kôn
silvery white Kî-pún sin-sit Miàng, fù-ho
Terbium, Tb ngoi-hìn
silvery white Terbium chhai chû-khì-péu ke vi-chi
ngièn-chṳ́ sì-sú
65 ngièn-chṳ́-liòng (±)
158.92535(2)[ 1] ngièn-su lui-phe̍t
lanthanum-hi Chhu̍k , fûn-khî
n/a , f-block chû-khì
period 6 thien-chṳ́ phài-lie̍t
[Xe ] 4f9 6s2 per shell
2, 8, 18, 27, 8, 2 vu̍t-lî sin-chṳt Siông
ku-thí yùng-tiám
1629 K (1356 °C, 2473 °F) pui-tiám
3396 K (3123 °C, 5653 °F) Me̍t-thu near Sit-vûn
8.23 g·cm−3
7.65 g·cm−3 Yùng-fa-ngie̍t
10.15 kJ·mol−1 Chîn-fat-ngie̍t
391 kJ·mol−1 Ngie̍t-yùng-liong
28.91 J·mol−1 ·K−1
chîn-hi-ap
P (Pa)
1
10
100
1 k
10 k
100 k
chhai T (K)
1789
1979
(2201)
(2505)
(2913)
(3491)
Ngièn-chṳ́ sin-chṳt Yông-fa-su
4, 3 , 2, 1 (a weakly basic oxide) Thien-fu-sin
Pauling scale: 1.2 (?) Thien-lì-nèn
1st: 565.8 kJ·mol−1 2nd: 1110 kJ·mol−1 3rd: 2114 kJ·mol−1 Ngièn-chṳ́ pan-kang
empirical: 177 pm Khiung-ka pan-kang
194±5 pm Miscellanea Chîn-thí keu-chho
hexagonal close-packed (hcp) Sâng-suk thin rod
2620 m·s−1 (at 20 °C) Ngie̍t-phàng-chong
at r.t. α, poly: 10.3 µm·m−1 ·K−1 Ngie̍t-chhòn-thô-li̍t
11.1 W·m−1 ·K−1 Thien-chú-li̍t
α, poly: 1.150 µΩ·m (at r.t. ) Chhṳ̀-sin
paramagnetic at 300 K Young's modulus
α form: 55.7 GPa Shear modulus
α form: 22.1 GPa Bulk modulus
α form: 38.7 GPa Poisson ratio
α form: 0.261 Vickers hardness
450–865 MPa Brinell hardness
675–1200 MPa CAS Registry Number
7440-27-9 Le̍k-sú Hí-miàng
after Ytterby (Sweden), where it was mined Hoat-kiàn kap siōng chá ê tông-ūi-sò͘
Carl Gustaf Mosander (1842) Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Terbium ke thùng-vi-su
Decay modes in parentheses are predicted, but have not yet been observed
Terbium (Hon-ngî : 鋱 tè ) he yit-chúng fa-ho̍k ngièn-su , fa-ho̍k fù-ho vì Tb , ngièn-chṳ́ su-muk he 65 .
Chhâm-kháu chṳ̂-liau