Thorium (Hon-ngî: ) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Th, ngièn-chṳ́ su-muk he 90.

Thorium,  90Th
ngoi-kôn
silvery, often with black tarnish
Kî-pún sin-sit
Miàng, fù-ho Thorium, Th
ngoi-hìn silvery, often with black tarnish
Thorium chhai chû-khì-péu ke vi-chi
Khiâng (sûng-ngièn-chṳ́ fî-kîm-su̍k)
Hoi (hî-yù hi-thí)
Lithium (kán-kîm-su̍k)
Beryllium (kán-thú kîm-su̍k)
Phìn (lui-kîm-su̍k)
Than (tô-ngièn-chṳ́ fî-kîm-su̍k)
Tham (sûng-ngièn-chṳ́ fî-kîm-su̍k)
Yông (sûng-ngièn-chṳ́ fî-kîm-su̍k)
Fuk (sûng-ngièn-chṳ́ fî-kîm-su̍k)
Nái (hî-yù hi-thí)
Na̍p (kán-kîm-su̍k)
Magnesium (kán-thú kîm-su̍k)
Lî (heu-ko-thu kîm-su̍k)
Si̍t (lui-kîm-su̍k)
Lìn (tô-ngièn-chṳ́ fî-kîm-su̍k)
Liù-vòng (tô-ngièn-chṳ́ fî-kîm-su̍k)
Liu̍k (sûng-ngièn-chṳ́ fî-kîm-su̍k)
Argon (hî-yù hi-thí)
Kap (kán-kîm-su̍k)
Koi (kán-thú kîm-su̍k)
Scandium (ko-thu kîm-su̍k)
Titanium (ko-thu kîm-su̍k)
Vanadium (ko-thu kîm-su̍k)
Chromium (ko-thu kîm-su̍k)
Manganese (ko-thu kîm-su̍k)
Thiet (ko-thu kîm-su̍k)
Cobalt (ko-thu kîm-su̍k)
Nickel (ko-thu kîm-su̍k)
Thùng (ko-thu kîm-su̍k)
Â-yèn (ko-thu kîm-su̍k)
Gallium (heu-ko-thu kîm-su̍k)
Germanium (lui-kîm-su̍k)
Phî (lui-kîm-su̍k)
Selenium (tô-ngièn-chṳ́ fî-kîm-su̍k)
Chhiu (sûng-ngièn-chṳ́ fî-kîm-su̍k)
Krypton (hî-yù hi-thí)
Rubidium (kán-kîm-su̍k)
Strontium (kán-thú kîm-su̍k)
Yttrium (ko-thu kîm-su̍k)
Zirconium (ko-thu kîm-su̍k)
Niobium (ko-thu kîm-su̍k)
Molybdenum (ko-thu kîm-su̍k)
Technetium (ko-thu kîm-su̍k)
Ruthenium (ko-thu kîm-su̍k)
Rhodium (ko-thu kîm-su̍k)
Palladium (ko-thu kîm-su̍k)
Ngiùn (ko-thu kîm-su̍k)
Cadmium (ko-thu kîm-su̍k)
Indium (heu-ko-thu kîm-su̍k)
Siak (heu-ko-thu kîm-su̍k)
Antimony (lui-kîm-su̍k)
Tellurium (lui-kîm-su̍k)
Tién (sûng-ngièn-chṳ́ fî-kîm-su̍k)
Xenon (hî-yù hi-thí)
Caesium (kán-kîm-su̍k)
Barium (kán-thú kîm-su̍k)
Lanthanum (lanthanum-hi)
Cerium (lanthanum-hi)
Praseodymium (lanthanum-hi)
Neodymium (lanthanum-hi)
Promethium (lanthanum-hi)
Samarium (lanthanum-hi)
Europium (lanthanum-hi)
Gadolinium (lanthanum-hi)
Terbium (lanthanum-hi)
Dysprosium (lanthanum-hi)
Holmium (lanthanum-hi)
Erbium (lanthanum-hi)
Thulium (lanthanum-hi)
Ytterbium (lanthanum-hi)
Lutetium (lanthanum-hi)
Hafnium (ko-thu kîm-su̍k)
Tantalum (ko-thu kîm-su̍k)
Tungsten (ko-thu kîm-su̍k)
Rhenium (ko-thu kîm-su̍k)
Osmium (ko-thu kîm-su̍k)
Iridium (ko-thu kîm-su̍k)
Pha̍k-kîm (ko-thu kîm-su̍k)
Kîm (ko-thu kîm-su̍k)
Súi-ngiùn (ko-thu kîm-su̍k)
Thallium (heu-ko-thu kîm-su̍k)
Yèn (heu-ko-thu kîm-su̍k)
Bismuth (heu-ko-thu kîm-su̍k)
Polonium (heu-ko-thu kîm-su̍k)
Astatine (lui-kîm-su̍k)
Radon (hî-yù hi-thí)
Francium (kán-kîm-su̍k)
Radium (kán-thú kîm-su̍k)
Actinium (actinium-hi)
Thorium (actinium-hi)
Protactinium (actinium-hi)
Uranium (actinium-hi)
Neptunium (actinium-hi)
Plutonium (actinium-hi)
Americium (actinium-hi)
Curium (actinium-hi)
Berkelium (actinium-hi)
Californium (actinium-hi)
Einsteinium (actinium-hi)
Fermium (actinium-hi)
Mendelevium (actinium-hi)
Nobelium (actinium-hi)
Lawrencium (actinium-hi)
Rutherfordium (ko-thu kîm-su̍k)
Dubnium (ko-thu kîm-su̍k)
Seaborgium (ko-thu kîm-su̍k)
Bohrium (ko-thu kîm-su̍k)
Hassium (ko-thu kîm-su̍k)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (ko-thu kîm-su̍k)
Nihonium (unknown chemical properties)
Flerovium (heu-ko-thu kîm-su̍k)
Moscovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tennessine (unknown chemical properties)
Oganesson (unknown chemical properties)
Ce

Th

(Uqb)
actiniumThoriumprotactinium
ngièn-chṳ́ sì-sú 90
ngièn-chṳ́-liòng (±) 232.0377(4)[1]
ngièn-su lui-phe̍t   actinium-hi
Chhu̍k, fûn-khî n/a, f-block
chû-khì period 7
thien-chṳ́ phài-lie̍t [Rn] 6d2 7s2
per shell 2, 8, 18, 32, 18, 10, 2
vu̍t-lî sin-chṳt
Siông ku-thí
yùng-tiám 2023 K ​(1750 °C, ​3182 °F)
pui-tiám 5061 K ​(4788 °C, ​8650 °F)
Me̍t-thu near Sit-vûn 11.724 g·cm−3
Yùng-fa-ngie̍t 13.81 kJ·mol−1
Chîn-fat-ngie̍t 514 kJ·mol−1
Ngie̍t-yùng-liong 26.230 J·mol−1·K−1
chîn-hi-ap
P (Pa) 1 10 100 1 k 10 k 100 k
chhai T (K) 2633 2907 3248 3683 4259 5055
Ngièn-chṳ́ sin-chṳt
Yông-fa-su 4, 3, 2, 1
Thien-fu-sin Pauling scale: 1.3
Thien-lì-nèn 1st: 587 kJ·mol−1
2nd: 1110 kJ·mol−1
3rd: 1930 kJ·mol−1
Ngièn-chṳ́ pan-kang empirical: 179.8 pm
Khiung-ka pan-kang 206±6 pm
Miscellanea
Chîn-thí keu-chhoface-centered cubic (fcc)
Face-centered cubic crystal structure for Thorium
Sâng-suk thin rod 2490 m·s−1 (at 20 °C)
Ngie̍t-phàng-chong 11.0 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t 54.0 W·m−1·K−1
Thien-chú-li̍t 157 nΩ·m (at 0 °C)
Chhṳ̀-sin paramagnetic[2]
Young's modulus 79 GPa
Shear modulus 31 GPa
Bulk modulus 54 GPa
Poisson ratio 0.27
Mohs hardness 3.0
Vickers hardness 295–685 MPa
Brinell hardness 390–1500 MPa
CAS Registry Number 7440-29-1
Le̍k-sú
Hí-miàng after Thor, the Norse god of thunder
Fat-hien Jöns Jakob Berzelius (1829)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Thorium ke thùng-vi-su
iso NA half-life DM DE (MeV) DP
227Th trace 18.68 d α 6.038
5.978
223Ra
228Th trace 1.9116 y α 5.520 224Ra
229Th trace 7917 y α 5.168 225Ra
230Th trace 75400 y α 4.770 226Ra
231Th trace 25.5 h β 0.39 231Pa
232Th 100% 1.405×1010 y α 4.083 228Ra
234Th trace 24.1 d β 0.27 234Pa

Chhâm-kháu chṳ̂-liau phiên-siá

  1. Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights
  2. Lide, D. R., pian. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th pán.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5. Archived from the original on 2011-03-03. 2018-06-10 chhà-khon.