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xenon
|
barium
|
Rb
|
Fr
|
|
Periodic Table
|
Extended Periodic Table
|
Name
|
Symbol
|
Number
|
Element category
|
alkali metals
|
Group
|
Period
|
Block
|
1
|
6
|
s
|
Appearance
|
|
Standard atomic weight
|
132.9054519
|
(2)
|
Electron configuration
|
Xe
|
Electrons
|
shell
|
Phase
|
solid
|
Density
|
r.t.
|
density
|
m.p.
|
Melting point
|
K
|
C
|
F
|
Boiling point
|
K
|
C
|
F
|
Critical point
|
K
|
Heat of fusion
|
kJ·mol
−1
|
Heat of vaporization
|
kJ·mol
−1
|
Specific heat capacity
|
Vapor pressure
|
Crystal structure
|
Oxidation states
|
basic
|
Electronegativity
|
Ionization energies
|
kJ/mol
|
Atomic radius
|
260
|
pm
|
298
|
Covalent radius
|
225
|
Magnetic ordering
|
Electrical resistivity
|
Thermal conductivity
|
Thermal expansion
|
Young's modulus
|
Bulk modulus
|
Mohs hardness
|
Brinell hardness
|
CAS registry number
|
Isotopes of caesium
|
iso
|
NA
|
half-life
|
DM
|
DE
|
MeV
|
DP
|
stable
|
neutrons
|
syn
|
Ms
|
y
|
ε
|
Xe
|
β
-
|
Ba
|
trace
|
Ts
|
β
-
|
Ba
|
syn
|
β
-
|
Ba
|
References
|
/ˈsiːziəm/
|
chemical element
|
atomic number
|
alkali metal
|
five metals
|
room temperature
|
atomic clocks
|
IUPAC
|
North American English
|
|
|
emission spectrum
|
ionization potential
|
chemical elements
|
francium
|
Earth's crust
|
gallium
|
francium
|
rubidium
|
mercury
|
water
|
Caesium hydroxide
|
base
|
glass
|
n
-butyllithium
|
sodium amide
|
drilling fluids
|
sg
|
atomic clocks
|
International System of Measurements
|
time
|
second
|
International System of Units
|
second
|
radiation
|
hyperfine
|
energy levels
|
ground state
|
atom
|
hydrology
|
nuclear power
|
isotope
|
137
Cs
|
oxygen
|
getter
|
vacuum tubes
|
photoelectric cells
|
electrons
|
ion engines
|
Hughes Research Laboratory
|
xenon
|
catalyst
|
hydrogenation
|
organic compounds
|
Radioactive
|
cancer
|
Caesium fluoride
|
organic chemistry
|
base
|
anhydrous
|
fluoride
|
magnetometers
|
caesium chloride
|
oxidizer
|
silicon
|
infrared
|
flares
|
near infrared
|
spectrophotometry
|
Latin
|
spectroscopically
|
Robert Bunsen
|
Gustav Kirchhoff
|
mineral water
|
Dürkheim
|
Germany
|
spectrum analysis
|
Kekule
|
|
|
lepidolite
|
pollucite
|
hydrated
|
silicate
|
aluminium
|
Manitoba
|
metric tons
|
electrolysis
|
cyanide
|
azide
|
caesium chloride
|
nitrate
|
Caesium minerals
|
isotopes of caesium
|
francium
|
atomic masses
|
isotope
|
half-lives
|
radiogenic
|
137
Cs
|
3
H
|
nuclear weapons
|
nuclear power plants
|
1986 Chernobyl meltdown
|
|
|
nuclear testing
|
atmosphere
|
radioactive fallout
|
alkali metals
|
explosive
|
water
|
Caesium hydroxide
|
base
|
glass
|
potassium
|
hyperirritability
|
spasms
|
citation needed
|
isotopes
|
biosphere
|
citation needed
|
v
|
d
|
Alkali metals
|
Lithium
|
Sodium
|
Potassium
|
Rubidium
|
Francium
|
Cs-137
|
Goiânia accident
|
Caesium compounds
|
Dirty bomb
|
Wikisource
|
1911 Encyclopædia Britannica
|
rubidium
|
francium
|
mercury
|
gallium
|
halogen
|
George B. Kauffman
|
doi
|
Aulus Gellius
|
Noctes Atticae
|
Nigidius Figulus
|
Oxford English Dictionary
|
Annalen der Physik und Chemie
|
doi
|
Wikimedia Commons
|
Wiktionary
|
v
|
d
|
Periodic table
|
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
|
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
|
Uub
|
Uut
|
Uuq
|
Uup
|
Uuh
|
Uus
|
Uuo
|
Uue
|
Ubn
|
Alkali metals
|
Alkaline earth metals
|
Lanthanoids
|
Actinoids
|
Transition metals
|
metals
|
Metalloids
|
nonmetals
|
Halogens
|
Noble gases
|
Categories
|
Chemical elements
|
Alkali metals
|
Caesium
|
All articles with unsourced statements
|
Articles with unsourced statements since June 2008
|
This article is licensed under the
GNU Free Documentation License
. It uses material from the
Wikipedia article "Cesium"
.