Sezyûm (Cs)

chemical element with symbol Cs and atomic number 55

Atomic Number	55
Atomic Weight	132.90545196
Hejmara baristeyî	133

Group	1
Period	6
Block	s

Proton	55 p⁺
Notron	78 n⁰
Kareva	55 e^-

Physical Property

Atomic Radius	260 pm 249 pm
molar volume	70 cm³/mol
Covalent Radius	232 pm 209 pm 237 pm 244 pm
Metallic Radius	235 pm 267 pm
ionic radius	167 pm 174 pm 178 pm 181 pm 185 pm 188 pm
Crystal Radius	181 pm 188 pm 192 pm 195 pm 199 pm 202 pm
Van der Waals radius	300 pm 343 pm 344 pm 343 pm 451,7 pm
density	1,873 g/cm³ 1.843 kg/m³

Chemical Property

wize

proton affinity
electron affinity	0,471626 eV/particle
ionization energy	3,893905548 eV/particle 23,15745 eV/particle 33,195 eV/particle 43 eV/particle 56 eV/particle 69,1 eV/particle 82,9 eV/particle 110,09 eV/particle 125,61 eV/particle 213,3 eV/particle 233 eV/particle 261 eV/particle 289 eV/particle 316 eV/particle 352 eV/particle 382 eV/particle 413 eV/particle 445 eV/particle 476 eV/particle 597 eV/particle 629 eV/particle 666 eV/particle 700 eV/particle 753 eV/particle 791 eV/particle 875 eV/particle 916,07 eV/particle 1.592 eV/particle 1.672 eV/particle 1.757 eV/particle 1.848 eV/particle 1.936 eV/particle 2.029 eV/particle 2.137 eV/particle 2.230 eV/particle 2.329 eV/particle 2.422 eV/particle 2.683 eV/particle 2.767 eV/particle 2.859 eV/particle 2.945 eV/particle 3.118 eV/particle 3.214 eV/particle 3.392 eV/particle 3.485 eV/particle 7.989 eV/particle 8.224 eV/particle 8.484 eV/particle 8.726 eV/particle 9.350 eV/particle 9.629 eV/particle 9.974 eV/particle 10.208,78 eV/particle 41.861,073 eV/particle 42.912,99 eV/particle

enthalpy of vaporization	68,3 kJ/mol
enthalpy of fusion	2,09 kJ/mol
standard enthalpy of formation	76,5 kJ/mol
Kareva

electron shell	2, 8, 18, 18, 8, 1

valence electron	1 ⓘ

electron configuration	[Xe] 6s¹ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s¹

oxidation number	-1, 1
electronegativity	3,898 eV/particle 0.1542125 0.79
Electrophilicity Index	0,696095447101947 eV/particle
fundamental state of matter

phase of matter	Solid
gaseous state of matter
Boiling Point	944,15 K
Melting Point	301,65 K
critical pressure	9,4 MPa
critical temperature	1.938,15 K
triple point
appearance
color	Silver #ff1493 #57178f #57178f
appearance	silvery gold
refractive index
thermodynamic material property
Thermal Conductivity	35,9 W/(m K)
thermal expansion
molar heat capacity	32,21 J/(mol K)
Specific Heat Capacity	0,242 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	5 MS/m
electrical resistivity	0,0000002 Ω*m
superconductivity
magnetism
type	paramagnetic
magnetic susceptibility (Mass)	0,0000000028 m³/Kg
magnetic susceptibility (Molar)	0,000000000372 m³/mol
magnetic susceptibility (Volume)	0,00000526
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal Structure	Body Centered Cubic (BCC)
lattice constant	6,05 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hardness	0,14 MPa 0,2 MPa
bulk modulus	1,6 GPa
shear modulus
Young's modulus	1,7 GPa
Poisson's ratio
Leza dengê
classification
Category	Alkali metals, Alkali metals
CAS Group	IA
IUPAC Group	IA
Glawe Number	8
Mendeleev Number	5
Pettifor Number	8
Geochemical Class	alkali metal
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	400,9 ± 0,7 a₀
C6 Dispersion Coefficient	6.660 a₀
allotrope
Neutron cross section	29
Neutron Mass Absorption	0,0077
quantum number	2S1/2
space group	229 (Im_3m)

Isotopes of Cesium

Stable Isotopes	1
Unstable Isotopes	41
Natural Isotopes	1

¹¹¹Cs

Hejmara baristeyî	111
neutron number	56
Giraniya Atomê	110,953945 ± 0,000215 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity	+

decay mode	intensity
p (proton emission)

¹¹²Cs

Hejmara baristeyî	112
neutron number	57
Giraniya Atomê	111,950172 ± 0,000124 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	490 ± 30 us
spin	1
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1994
parity	+

decay mode	intensity
p (proton emission)	100%
α (α emission)	0.26%

¹¹³Cs

Hejmara baristeyî	113
neutron number	58
Giraniya Atomê	112,944428484 ± 0,000009207 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	16,94 ± 0,09 us
spin	3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1984
parity	+

decay mode	intensity
p (proton emission)	100%

¹¹⁴Cs

Hejmara baristeyî	114
neutron number	59
Giraniya Atomê	113,941292244 ± 0,000091323 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	570 ± 20 ms
spin	1
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1978
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
α (α emission)	0.018%
β⁺ p (β⁺-delayed proton emission)	8.7%
β⁺α (β⁺-delayed α emission)	0.19%

¹¹⁵Cs

Hejmara baristeyî	115
neutron number	60
Giraniya Atomê	114,93591 ± 0,00011 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	1,4 ± 0,8 s
spin	9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1978
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	0.07%

¹¹⁶Cs

Hejmara baristeyî	116
neutron number	61
Giraniya Atomê	115,933395 ± 0,000108 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	700 ± 40 ms
spin	1
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1975
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	0.28%
β⁺α (β⁺-delayed α emission)	0.049%

¹¹⁷Cs

Hejmara baristeyî	117
neutron number	62
Giraniya Atomê	116,928616723 ± 0,000067 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	8,4 ± 0,6 s
spin	9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1972
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹¹⁸Cs

Hejmara baristeyî	118
neutron number	63
Giraniya Atomê	117,926559517 ± 0,00001369 Da
g-factor	1,935 ± 0,0025
natural abundance
radioactivity	☢️ radioactive element
half-life	14 ± 2 s
spin	2
nuclear quadrupole moment	1,31 ± 0,17
dema îcadkirinê yan keşfê	1969
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	0.021%
β⁺α (β⁺-delayed α emission)	0.0012%

¹¹⁹Cs

Hejmara baristeyî	119
neutron number	64
Giraniya Atomê	118,922377327 ± 0,000014965 Da
g-factor	1,2111111111111 ± 0,0066666666666667
natural abundance
radioactivity	☢️ radioactive element
half-life	43 ± 0,2 s
spin	9/2
nuclear quadrupole moment	2,65 ± 0,17
dema îcadkirinê yan keşfê	1969
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺α (β⁺-delayed α emission)	2%

¹²⁰Cs

Hejmara baristeyî	120
neutron number	65
Giraniya Atomê	119,920677277 ± 0,000010702 Da
g-factor	1,93 ± 0,01
natural abundance
radioactivity	☢️ radioactive element
half-life	60,4 ± 0,6 s
spin	2
nuclear quadrupole moment	1,36 ± 0,07
dema îcadkirinê yan keşfê	1969
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺α (β⁺-delayed α emission)	2%
β⁺ p (β⁺-delayed proton emission)	7%

¹²¹Cs

Hejmara baristeyî	121
neutron number	66
Giraniya Atomê	120,917227235 ± 0,00001534 Da
g-factor	0,51266666666667 ± 0,0026666666666667
natural abundance
radioactivity	☢️ radioactive element
half-life	155 ± 4 s
spin	3/2
nuclear quadrupole moment	0,79 ± 0,04
dema îcadkirinê yan keşfê	1969
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²²Cs

Hejmara baristeyî	122
neutron number	67
Giraniya Atomê	121,916108144 ± 0,000036164 Da
g-factor	0,133 ± 0,002
natural abundance
radioactivity	☢️ radioactive element
half-life	21,18 ± 0,19 s
spin	1
nuclear quadrupole moment	-0,179 ± 0,01
dema îcadkirinê yan keşfê	1969
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺α (β⁺-delayed α emission)	2%

¹²³Cs

Hejmara baristeyî	123
neutron number	68
Giraniya Atomê	122,91299606 ± 0,000013 Da
g-factor	2,75 ± 0,014
natural abundance
radioactivity	☢️ radioactive element
half-life	5,88 ± 0,03 m
spin	1/2
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1954
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁴Cs

Hejmara baristeyî	124
neutron number	69
Giraniya Atomê	123,912247366 ± 0,000009823 Da
g-factor	0,672 ± 0,003
natural abundance
radioactivity	☢️ radioactive element
half-life	30,9 ± 0,4 s
spin	1
nuclear quadrupole moment	-0,69 ± 0,04
dema îcadkirinê yan keşfê	1969
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁵Cs

Hejmara baristeyî	125
neutron number	70
Giraniya Atomê	124,909725953 ± 0,000008304 Da
g-factor	2,814 ± 0,014
natural abundance
radioactivity	☢️ radioactive element
half-life	44,35 ± 0,29 m
spin	1/2
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1954
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁶Cs

Hejmara baristeyî	126
neutron number	71
Giraniya Atomê	125,909445821 ± 0,00001112 Da
g-factor	0,776 ± 0,004
natural abundance
radioactivity	☢️ radioactive element
half-life	1,64 ± 0,02 m
spin	1
nuclear quadrupole moment	-0,64 ± 0,03
dema îcadkirinê yan keşfê	1954
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁷Cs

Hejmara baristeyî	127
neutron number	72
Giraniya Atomê	126,907417527 ± 0,000005987 Da
g-factor	2,914 ± 0,014
natural abundance
radioactivity	☢️ radioactive element
half-life	6,25 ± 0,1 h
spin	1/2
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1950
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁸Cs

Hejmara baristeyî	128
neutron number	73
Giraniya Atomê	127,907748452 ± 0,000005771 Da
g-factor	0,972 ± 0,005
natural abundance
radioactivity	☢️ radioactive element
half-life	3,64 ± 0,014 m
spin	1
nuclear quadrupole moment	-0,54 ± 0,03
dema îcadkirinê yan keşfê	1951
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁹Cs

Hejmara baristeyî	129
neutron number	74
Giraniya Atomê	128,90606591 ± 0,000004888 Da
g-factor	2,978 ± 0,016
natural abundance
radioactivity	☢️ radioactive element
half-life	32,06 ± 0,06 h
spin	1/2
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1950
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁰Cs

Hejmara baristeyî	130
neutron number	75
Giraniya Atomê	129,906709281 ± 0,000008971 Da
g-factor	1,458 ± 0,007
natural abundance
radioactivity	☢️ radioactive element
half-life	29,21 ± 0,04 m
spin	1
nuclear quadrupole moment	-0,056 ± 0,006
dema îcadkirinê yan keşfê	1952
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	98.4%
β⁻ (β⁻ decay)	1.6%

¹³¹Cs

Hejmara baristeyî	131
neutron number	76
Giraniya Atomê	130,905468457 ± 0,00000019 Da
g-factor	1,4144 ± 0,0012
natural abundance
radioactivity	☢️ radioactive element
half-life	9,689 ± 0,016 d
spin	5/2
nuclear quadrupole moment	0,59 ± 0,02
dema îcadkirinê yan keşfê	1947
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹³²Cs

Hejmara baristeyî	132
neutron number	77
Giraniya Atomê	131,90643774 ± 0,000001112 Da
g-factor	1,1095 ± 0,0035
natural abundance
radioactivity	☢️ radioactive element
half-life	6,48 ± 0,006 d
spin	2
nuclear quadrupole moment	0,48 ± 0,02
dema îcadkirinê yan keşfê	1953
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	98.13%
β⁻ (β⁻ decay)	1.87%

¹³³Cs

Hejmara baristeyî	133
neutron number	78
Giraniya Atomê	132,905451958 ± 0,000000008 Da
g-factor	0,73651428571429 ± 0,0004
natural abundance	100
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	7/2
nuclear quadrupole moment	-0,00343 ± 0,0001
dema îcadkirinê yan keşfê	1921
parity	+

¹³⁴Cs

Hejmara baristeyî	134
neutron number	79
Giraniya Atomê	133,906718501 ± 0,000000017 Da
g-factor	0,747325 ± 0,00035
natural abundance
radioactivity	☢️ radioactive element
half-life	2,065 ± 0,0004 y
spin	4
nuclear quadrupole moment	0,37 ± 0,02
dema îcadkirinê yan keşfê	1940
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
ϵ (electron capture)	0.0003%

¹³⁵Cs

Hejmara baristeyî	135
neutron number	80
Giraniya Atomê	134,905976907 ± 0,00000039 Da
g-factor	0,77951428571429 ± 0,00037142857142857
natural abundance
radioactivity	☢️ radioactive element
half-life	1,33 ± 0,19 My
spin	7/2
nuclear quadrupole moment	0,048 ± 0,003
dema îcadkirinê yan keşfê	1949
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹³⁶Cs

Hejmara baristeyî	136
neutron number	81
Giraniya Atomê	135,907311431 ± 0,00000201 Da
g-factor	0,741 ± 0,003
natural abundance
radioactivity	☢️ radioactive element
half-life	13,01 ± 0,05 d
spin	5
nuclear quadrupole moment	0,213 ± 0,015
dema îcadkirinê yan keşfê	1951
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹³⁷Cs

Hejmara baristeyî	137
neutron number	82
Giraniya Atomê	136,907089296 ± 0,000000324 Da
g-factor	0,81068571428571 ± 0,0004
natural abundance
radioactivity	☢️ radioactive element
half-life	30,04 ± 0,04 y
spin	7/2
nuclear quadrupole moment	0,048 ± 0,002
dema îcadkirinê yan keşfê	1951
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹³⁸Cs

Hejmara baristeyî	138
neutron number	83
Giraniya Atomê	137,911017119 ± 0,000009831 Da
g-factor	0,233 ± 0,0013333333333333
natural abundance
radioactivity	☢️ radioactive element
half-life	33,5 ± 0,2 m
spin	3
nuclear quadrupole moment	0,112 ± 0,017
dema îcadkirinê yan keşfê	1943
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹³⁹Cs

Hejmara baristeyî	139
neutron number	84
Giraniya Atomê	138,913363822 ± 0,000003364 Da
g-factor	0,768 ± 0,0011428571428571
natural abundance
radioactivity	☢️ radioactive element
half-life	9,27 ± 0,05 m
spin	7/2
nuclear quadrupole moment	-0,063 ± 0,014
dema îcadkirinê yan keşfê	1939
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴⁰Cs

Hejmara baristeyî	140
neutron number	85
Giraniya Atomê	139,917283707 ± 0,000008801 Da
g-factor	0,134 ± 0,001
natural abundance
radioactivity	☢️ radioactive element
half-life	63,7 ± 0,3 s
spin	1
nuclear quadrupole moment	-0,094 ± 0,015
dema îcadkirinê yan keşfê	1950
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴¹Cs

Hejmara baristeyî	141
neutron number	86
Giraniya Atomê	140,920045279 ± 0,000009871 Da
g-factor	0,69457142857143 ± 0,0028571428571429
natural abundance
radioactivity	☢️ radioactive element
half-life	24,84 ± 0,16 s
spin	7/2
nuclear quadrupole moment	-0,42 ± 0,07
dema îcadkirinê yan keşfê	1962
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.0342%

¹⁴²Cs

Hejmara baristeyî	142
neutron number	87
Giraniya Atomê	141,924299514 ± 0,000007586 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	1,687 ± 0,01 s
spin	0
nuclear quadrupole moment	0
dema îcadkirinê yan keşfê	1962
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.089%

¹⁴³Cs

Hejmara baristeyî	143
neutron number	88
Giraniya Atomê	142,927347346 ± 0,00000813 Da
g-factor	0,57933333333333 ± 0,0026666666666667
natural abundance
radioactivity	☢️ radioactive element
half-life	1,802 ± 0,008 s
spin	3/2
nuclear quadrupole moment	0,44 ± 0,03
dema îcadkirinê yan keşfê	1962
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1.62%

¹⁴⁴Cs

Hejmara baristeyî	144
neutron number	89
Giraniya Atomê	143,932075402 ± 0,000021612 Da
g-factor	-0,545 ± 0,003
natural abundance
radioactivity	☢️ radioactive element
half-life	994 ± 6 ms
spin	1
nuclear quadrupole moment	0,29 ± 0,02
dema îcadkirinê yan keşfê	1967
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	2.98%

¹⁴⁵Cs

Hejmara baristeyî	145
neutron number	90
Giraniya Atomê	144,935528927 ± 0,000009733 Da
g-factor	0,522 ± 0,0026666666666667
natural abundance
radioactivity	☢️ radioactive element
half-life	582 ± 4 ms
spin	3/2
nuclear quadrupole moment	0,58 ± 0,06
dema îcadkirinê yan keşfê	1971
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	12.8%

¹⁴⁶Cs

Hejmara baristeyî	146
neutron number	91
Giraniya Atomê	145,940621867 ± 0,000003106 Da
g-factor	-0,514 ± 0,002
natural abundance
radioactivity	☢️ radioactive element
half-life	321,6 ± 0,9 ms
spin	1
nuclear quadrupole moment	0,21 ± 0,03
dema îcadkirinê yan keşfê	1971
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	14.2%
2n (2-neutron emission)

¹⁴⁷Cs

Hejmara baristeyî	147
neutron number	92
Giraniya Atomê	146,944261512 ± 0,000009 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	230,5 ± 0,9 ms
spin	3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1978
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	28.5%

¹⁴⁸Cs

Hejmara baristeyî	148
neutron number	93
Giraniya Atomê	147,949639026 ± 0,000014 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	151,8 ± 1 ms
spin	2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1978
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	28.7%
2n (2-neutron emission)

¹⁴⁹Cs

Hejmara baristeyî	149
neutron number	94
Giraniya Atomê	148,953516 ± 0,000429 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	112,3 ± 2,5 ms
spin	3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1979
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	25%
2n (2-neutron emission)

¹⁵⁰Cs

Hejmara baristeyî	150
neutron number	95
Giraniya Atomê	149,959023 ± 0,000429 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	81 ± 2,6 ms
spin	2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1979
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	44%
2n (2-neutron emission)

¹⁵¹Cs

Hejmara baristeyî	151
neutron number	96
Giraniya Atomê	150,963199 ± 0,000537 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	59 ± 19 ms
spin	3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1979
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

¹⁵²Cs

Hejmara baristeyî	152
neutron number	97
Giraniya Atomê	151,968728 ± 0,000537 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin
nuclear quadrupole moment
dema îcadkirinê yan keşfê	1987
parity

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

dîrok

kaşîf an îcadker	Gustov Kirchoff, Robert Bunsen
location of discovery	Germany
dema îcadkirinê yan keşfê	1860
Bêjenasî	Latin: coesius (sky blue); for the blue lines of its spectrum.
pronunciation	SEE-zi-em (îngilîzî)

source

Abundance
Abundance in Earth's crust	3 mg/kg
natural abundance (Okyanûs)	0,0003 mg/L
natural abundance (human body)	0,000002 %
natural abundance (meteoroid)	0,000014 %
natural abundance (Roj)	0,0000008 %
Abundance in Universe	0,00000008 %

Nuclear Screening Constants

1	s	1.0957
2	p	4.1804
2	s	14.4884
3	d	14.0194
3	p	18.4222
3	s	18.6226
4	d	32.1616
4	p	29.1424
4	s	27.9576
5	p	41.349
5	s	39.5555
6	s	48.637

Sezyûm on ChemicalAid

AGROVOC ID	c_1182
Art & Architecture Thesaurus ID	300380498
Australian Educational Vocabulary ID	scot/3063
BNCF Thesaurus ID	22890
Bibliothèque nationale de France ID	121655651
Brockhaus Enzyklopädie online ID	cäsium
CAB ID	18776
CAS Registry Number	7440-46-2
Cannabis Database ID	006361
ChEBI ID	30514
ChemSpider ID	4510778
Common Procurement Vocabulary	14771000
DSSTOX compound identifier	DTXCID40820345
DSSTox substance ID	DTXSID5036767
Den Store Danske ID	cæsium
DrugBank ID	15392
ECHA Substance Infocard ID	100.028.323
Encyclopædia Britannica Online ID	science/cesium
Encyclopædia Universalis ID	cesium
Freebase ID	/m/025tnb6
French Vikidia ID	Césium
GND ID	4147131-3
Gran Enciclopèdia Catalana ID	0090224
Great Russian Encyclopedia Online ID	4674014
HSDB ID	7040
Hrvatska enciklopedija ID	11373
Human Metabolome Database ID	HMDB0013669
InChI	InChI=1S/Cs
InChIKey	TVFDJXOCXUVLDH-UHFFFAOYSA-N
KBpedia ID	Cesium
Krugosvet article	himiya/ceziy
Library of Congress authority ID	sh85022200
MeSH descriptor ID	D002586
NDL Authority ID	00570840
NE.se ID	cesium
NKCR AUT ID	ph124977
National Library of Israel J9U ID	987007284955105171
OmegaWiki Defined Meaning	470
OpenAlex ID	C519659679
PSH ID	5748
PubChem CID	5354618
Quora topic ID	Cesium
RxNorm ID	1310121
Store norske leksikon ID	cesium
Treccani ID	cesio
UNII	1KSV9V4Y4I
USGS Thesaurus ID	1424
WordNet 3.1 Synset ID	14658410-n
YSO ID	16504
ZVG number	7550

Sezyûm (Cs)

Physical Property

Chemical Property

other

Isotopes of Cesium

111Cs

112Cs

113Cs

114Cs

115Cs

116Cs

117Cs

118Cs

119Cs

120Cs

121Cs

122Cs

123Cs

124Cs

125Cs

126Cs

127Cs

128Cs

129Cs

130Cs

131Cs

132Cs

133Cs

134Cs

135Cs

136Cs

137Cs

138Cs

139Cs

140Cs

141Cs

142Cs

143Cs

144Cs

145Cs

146Cs

147Cs

148Cs

149Cs

150Cs

151Cs

152Cs

dîrok

source

Nuclear Screening Constants

¹¹¹Cs

¹¹²Cs

¹¹³Cs

¹¹⁴Cs

¹¹⁵Cs

¹¹⁶Cs

¹¹⁷Cs

¹¹⁸Cs

¹¹⁹Cs

¹²⁰Cs

¹²¹Cs

¹²²Cs

¹²³Cs

¹²⁴Cs

¹²⁵Cs

¹²⁶Cs

¹²⁷Cs

¹²⁸Cs

¹²⁹Cs

¹³⁰Cs

¹³¹Cs

¹³²Cs

¹³³Cs

¹³⁴Cs

¹³⁵Cs

¹³⁶Cs

¹³⁷Cs

¹³⁸Cs

¹³⁹Cs

¹⁴⁰Cs

¹⁴¹Cs

¹⁴²Cs

¹⁴³Cs

¹⁴⁴Cs

¹⁴⁵Cs

¹⁴⁶Cs

¹⁴⁷Cs

¹⁴⁸Cs

¹⁴⁹Cs

¹⁵⁰Cs

¹⁵¹Cs

¹⁵²Cs