Thallium

Thallium, ₈₁Tl
ngoi-kôn
	silvery white;
Kî-pún sin-sit
Miàng, fù-ho	thallium, Tl
ngoi-hìn	silvery white
Thallium chhai chû-khì-péu ke vi-chi
	súi-ngiùn ← thallium → yèn
ngièn-chṳ́ sì-sú	81
ngièn-chṳ́-liòng	204.38 (204.382–204.385)
ngièn-su lui-phe̍t	heu-ko-thu kîm-su̍k
Chhu̍k, fûn-khî	13 chhu̍k, p-block
chû-khì	period 6
thien-chṳ́ phài-lie̍t	[Xe] 4f14 5d10 6s2 6p1
per shell	2, 8, 18, 32, 18, 3
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	577 K (304 °C, 579 °F)
pui-tiám	1746 K (1473 °C, 2683 °F)
Me̍t-thu near Sit-vûn	11.85 g·cm−3
	11.22 g·cm−3
Yùng-fa-ngie̍t	4.14 kJ·mol−1
Chîn-fat-ngie̍t	165 kJ·mol−1
Ngie̍t-yùng-liong	26.32 J·mol−1·K−1
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	3, 2, 1, −1, −2, −5 (a mildly basic oxide)
Thien-fu-sin	Pauling scale: 1.62
Thien-lì-nèn	1st: 589.4 kJ·mol−1 ; 2nd: 1971 kJ·mol−1 ; 3rd: 2878 kJ·mol−1
Ngièn-chṳ́ pan-kang	empirical: 170 pm
Khiung-ka pan-kang	145±7 pm
Van der Waals pan-kang	196 pm