Caesium

Caesium,  ₅₅Cs

ngoi-kôn
silvery gold 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
Rb ↑ Cs ↓ Fr xenon ← caesium → barium
ngièn-chṳ́ sì-sú	55
ngièn-chṳ́-liòng (±)	132.90545196(6)
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
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 ​(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

Caesium he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Cs, ngièn-chṳ́ su-muk he 55.

H

He

Li

Be

B

C

N

O

F

Ne

Na

Mg

Al

Si

P

S

Cl

Ar

K

Ca

Sc

Ti

V

Cr

Mn

Fe

Co

Ni

Cu

Zn

Ga

Ge

As

Se

Br

Kr

Rb

Sr

Y

Zr

Nb

Mo

Tc

Ru

Rh

Pd

Ag

Cd

In

Sn

Sb

Te

I

Xe

Cs

Ba

La

Ce

Pr

Nd

Pm

Sm

Eu

Gd

Tb

Dy

Ho

Er

Tm

Yb

Lu

Hf

Ta

W

Re

Os

Ir

Pt

Au

Hg

Tl

Pb

Bi

Po

At

Rn

Fr

Ra

Ac

Th

Pa

U

Np

Pu

Am

Cm

Bk

Cf

Es

Fm

Md

No

Lr

Rf

Db

Sg

Bh

Hs

Mt

Ds

Rg

Cn

Nh

Fl

Mc

Lv

Ts

Og

Kán-kîm-su̍k Kán-thú kîm-su̍k Lanthanum-hi Actinium-hi Ko-thu kîm-su̍k Khì-thâ kîm-su̍k Lui-kîm-su̍k Khì-thâ fî-kîm-su̍k Lû-su Hî-yù hi-thí Hàn-màng khok-thin