Terbium,   ₆₅ Tb

Ki-pun seng-chit
Mia, hu-h?	terbium, Tb
G?a-heng	silvery white
Terbium t? chiu-ki-piau l?i e ?i-ti
? ↑ Tb ↓ Bk gadolinium ← terbium → dysprosium
Goan-chu-hoan	65
Goan-chu-li?ng   (±)	158.92535(2) [1]
Goan-so? l?i-pia?t	lanthanum-h?
Cho?k , hun-khu	n/a , f khu
Chiu-ki	t? 6 chiu-ki
Ti?n-chu pai-lia?t	[ Xe ] 4f 9 6s 2
per shell	2, 8, 18, 27, 8, 2
Bu?t-li seng-chit
Siong	solid
Iuⁿ-tiam	1629  K ​(1356 °C, ​2473 °F)
Hut-tiam	3396 K ​(3123 °C, ​5653 °F)
Bi?t-t??  ( sek-un )	8.23 g·cm ?3
7.65 g·cm ?3
Iuⁿ-hoa-jia?t	10.15  kJ·mol ?1
Cheng-hoat-jia?t	391 kJ·mol ?1
Jia?t-iong-li?ng	28.91 J·mol ?1 ·K ?1
cheng-khi-ap P (Pa) 1 10 100 1 k 10 k 100 k t? T (K) 1789 1979 (2201) (2505) (2913) (3491)
Goan-chu seng-chit
Sng-hoa-so?	4, 3 , 2, 1 ​(a weakly basic oxide)
Ti?n-h?-t??	Pauling scale: 1.2 (?)
Ti?n-l?-leng	1st: 565.8 kJ·mol ?1 2nd: 1110 kJ·mol ?1 3rd: 2114 kJ·mol ?1
Goan-chu poaⁿ-keng	empirical: 177  pm
Ki?ng-ke poaⁿ-keng	194±5 pm
Cha?p-lio?k
Chiⁿ-the ko?-ch?	​ hexagonal close-packed (hcp)
Siaⁿ-sok (soe kun-a)	2620 m·s ?1 (at 20 °C)
Jia?t-phong-tiong	at  r.t. α, poly: 10.3 μm·m ?1 ·K ?1
Jia?t-thoan-t?-lu?t	11.1 W·m ?1 ·K ?1
Ti?n-cho?-lu?t	α, poly: 1.150 μΩ·m (at r.t. )
Chu-seng	paramagnetic at 300 K
Young h?-so?	α form: 55.7 GPa
Shear h?-so?	α form: 22.1 GPa
Bulk h?-so?	α form: 38.7 GPa
Poisson pi	α form: 0.261
Vickers ng?-t??	450?865 MPa
Brinell ng?-t??	675?1200 MPa
CAS teng-ki pian-h?	7440-27-9
Le?k-su
H?-mia	after Ytterby (Sweden), where it was mined
Hoat-hi?n kap si?ng cha e tong-?i-so?	Carl Gustaf Mosander (1842)
Choe un-t?ng e tong-?i-so?
Chu bun-chiong: terbium e tong-?i-so?
iso NA half-life DM DE   ( MeV ) DP 157 Tb syn 71 y ε 0.060 157 Gd 158 Tb syn 180 y ε 1.220 158 Gd β ? 0.937 158 Dy 159 Tb 100% ? ( SF ) <74.878
Decay modes in parentheses are predicted, but have not yet been observed

Terbium s? 1 e hoa-ha?k goan-so? . I e goan-chu-hoan s? 65, hoa-ha?k hu-h? s? Tb.

Chham-kho [ siu-kai | kai goan-si-be ]

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