Caesium (Hon-ngî: ) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Cs, ngièn-chṳ́ su-muk he 55.

Caesium,  55Cs
ngoi-kôn
silvery gold
Some silvery-gold metal, with a liquid-like texture and lustre, sealed in a glass ampoule

Spectral lines of caesium
Kî-pún sin-sit
Miàng, fù-ho Caesium, Cs
phe̍t-miàng cesium
ngoi-hìn silvery gold
Caesium 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)
Rb

Cs

Fr
xenonCaesiumbarium
ngièn-chṳ́ sì-sú 55
ngièn-chṳ́-liòng (±) 132.90545196(6)[1]
ngièn-su lui-phe̍t   kán-kîm-su̍k
Chhu̍k, fûn-khî 1 chhu̍k, s-block
chû-khì period 6
thien-chṳ́ phài-lie̍t [Xe] 6s1
per shell 2, 8, 18, 18, 8, 1
vu̍t-lî sin-chṳt
Siông ku-thí
yùng-tiám 301.7 K ​(28.5 °C, ​83.3 °F)
pui-tiám 944 K ​(671 °C, ​1240 °F)
Me̍t-thu near Sit-vûn 1.93 g·cm−3
1.843 g·cm−3
lìm-kie-tiám 1938 K, 9.4 MPa[2]
Yùng-fa-ngie̍t 2.09 kJ·mol−1
Chîn-fat-ngie̍t 63.9 kJ·mol−1
Ngie̍t-yùng-liong 32.210 J·mol−1·K−1
chîn-hi-ap
P (Pa) 1 10 100 1 k 10 k 100 k
chhai T (K) 418 469 534 623 750 940
Ngièn-chṳ́ sin-chṳt
Yông-fa-su +1, −1[3] ​(a strongly basic oxide)
Thien-fu-sin Pauling scale: 0.79
Thien-lì-nèn 1st: 375.7 kJ·mol−1
2nd: 2234.3 kJ·mol−1
3rd: 3400 kJ·mol−1
Ngièn-chṳ́ pan-kang empirical: 265 pm
Khiung-ka pan-kang 244±11 pm
Van der Waals pan-kang 343 pm
Miscellanea
Chîn-thí keu-chhobody-centered cubic (bcc)
Body-centered cubic crystal structure for Caesium
Ngie̍t-phàng-chong 97 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t 35.9 W·m−1·K−1
Thien-chú-li̍t 205 nΩ·m (at 20 °C)
Chhṳ̀-sin paramagnetic[4]
Young's modulus 1.7 GPa
Bulk modulus 1.6 GPa
Mohs hardness 0.2
Brinell hardness 0.14 MPa
CAS Registry Number 7440-46-2
Le̍k-sú
Hí-miàng from Latin caesius, sky blue, for its spectral colours
Fat-hien Robert Bunsen and Gustav Kirchhoff (1860)
First isolation Carl Setterberg (1882)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Caesium ke thùng-vi-su
iso NA half-life DM DE (MeV) DP
133Cs 100% (SF) <34.753
134Cs syn 2.0648 y ε 1.229 134Xe
β 2.059 134Ba
135Cs trace 2.3×106 y β 0.269 135Ba
137Cs trace 30.17 y[5] β 1.174 137Ba
Decay modes in parentheses are predicted, but have not yet been observed

Chhâm-kháu chṳ̂-liau phiên-siá

  1. Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights
  2. 模板:RubberBible92nd
  3. Dye, J. L. (1979). "Compounds of Alkali Metal Anions". Angewandte Chemie International Edition 18 (8): 587–598. doi:10.1002/anie.197905871. 
  4. "Magnetic susceptibility of the elements and inorganic compounds". Handbook of Chemistry and Physics (PDF) (87th pán.). CRC press. ISBN 0-8493-0487-3. 2010-09-26 chhà-khon. 
  5. "NIST Radionuclide Half-Life Measurements". NIST. 2011-03-13 chhà-khon.