Cezium (Cs)

chemical element with symbol Cs and atomic number 55

Atomic Number	55
Atomic Weight	132.90545196
Numri i masës	133

Group	1
Period	6
Block	s

protoni	55 p⁺
neutroni	78 n⁰
elektroni	55 e^-

Tipar Fizik

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

energjia

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
elektroni

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

valence electron	1 ⓘ

konfigurimi i elektronit	[Xe] 6s¹ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s¹

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

gjendja agregate e materies	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
Ngjyra	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
Superpërcjellshmëria
Magnetizimi
type	paramagnetic
magnetic susceptibility (Mass)	0,0000000028 m³/Kg
magnetic susceptibility (Molar)	0,000000000372 m³/mol
magnetic susceptibility (Volume)	0,00000526
magnetic ordering
Curie temperature
Néel temperature
strukturë
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
Shpejtësia e zërit
klasifikim
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
numër kuantik	2S1/2
space group	229 (Im_3m)

Isotopes of Cesium

Stable Isotopes	1
Unstable Isotopes	41
Natural Isotopes	1

¹¹¹Cs

Numri i masës	111
numri i neutroneve	56
Relative Atomic Mass	110,953945 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity	+

decay mode	intensitet
p (proton emission)

¹¹²Cs

Numri i masës	112
numri i neutroneve	57
Relative Atomic Mass	111,950172 ± 0,000124 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	490 ± 30 us
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1994
parity	+

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

¹¹³Cs

Numri i masës	113
numri i neutroneve	58
Relative Atomic Mass	112,944428484 ± 0,000009207 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	16,94 ± 0,09 us
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1984
parity	+

decay mode	intensitet
p (proton emission)	100%

¹¹⁴Cs

Numri i masës	114
numri i neutroneve	59
Relative Atomic Mass	113,941292244 ± 0,000091323 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	570 ± 20 ms
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1978
parity	+

decay mode	intensitet
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

Numri i masës	115
numri i neutroneve	60
Relative Atomic Mass	114,93591 ± 0,00011 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,4 ± 0,8 s
Spini	9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1978
parity	+

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

¹¹⁶Cs

Numri i masës	116
numri i neutroneve	61
Relative Atomic Mass	115,933395 ± 0,000108 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	700 ± 40 ms
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1975
parity	+

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

¹¹⁷Cs

Numri i masës	117
numri i neutroneve	62
Relative Atomic Mass	116,928616723 ± 0,000067 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	8,4 ± 0,6 s
Spini	9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1972
parity	+

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

¹¹⁸Cs

Numri i masës	118
numri i neutroneve	63
Relative Atomic Mass	117,926559517 ± 0,00001369 Da
g-factor	1,935 ± 0,0025
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	14 ± 2 s
Spini	2
nuclear quadrupole moment	1,31 ± 0,17
koha e zbulimit apo shpikjes	1969
parity	+

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

¹¹⁹Cs

Numri i masës	119
numri i neutroneve	64
Relative Atomic Mass	118,922377327 ± 0,000014965 Da
g-factor	1,2111111111111 ± 0,0066666666666667
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	43 ± 0,2 s
Spini	9/2
nuclear quadrupole moment	2,65 ± 0,17
koha e zbulimit apo shpikjes	1969
parity	+

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

¹²⁰Cs

Numri i masës	120
numri i neutroneve	65
Relative Atomic Mass	119,920677277 ± 0,000010702 Da
g-factor	1,93 ± 0,01
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	60,4 ± 0,6 s
Spini	2
nuclear quadrupole moment	1,36 ± 0,07
koha e zbulimit apo shpikjes	1969
parity	+

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

¹²¹Cs

Numri i masës	121
numri i neutroneve	66
Relative Atomic Mass	120,917227235 ± 0,00001534 Da
g-factor	0,51266666666667 ± 0,0026666666666667
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	155 ± 4 s
Spini	3/2
nuclear quadrupole moment	0,79 ± 0,04
koha e zbulimit apo shpikjes	1969
parity	+

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

¹²²Cs

Numri i masës	122
numri i neutroneve	67
Relative Atomic Mass	121,916108144 ± 0,000036164 Da
g-factor	0,133 ± 0,002
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	21,18 ± 0,19 s
Spini	1
nuclear quadrupole moment	-0,179 ± 0,01
koha e zbulimit apo shpikjes	1969
parity	+

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

¹²³Cs

Numri i masës	123
numri i neutroneve	68
Relative Atomic Mass	122,91299606 ± 0,000013 Da
g-factor	2,75 ± 0,014
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	5,88 ± 0,03 m
Spini	1/2
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1954
parity	+

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

¹²⁴Cs

Numri i masës	124
numri i neutroneve	69
Relative Atomic Mass	123,912247366 ± 0,000009823 Da
g-factor	0,672 ± 0,003
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	30,9 ± 0,4 s
Spini	1
nuclear quadrupole moment	-0,69 ± 0,04
koha e zbulimit apo shpikjes	1969
parity	+

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

¹²⁵Cs

Numri i masës	125
numri i neutroneve	70
Relative Atomic Mass	124,909725953 ± 0,000008304 Da
g-factor	2,814 ± 0,014
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	44,35 ± 0,29 m
Spini	1/2
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1954
parity	+

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

¹²⁶Cs

Numri i masës	126
numri i neutroneve	71
Relative Atomic Mass	125,909445821 ± 0,00001112 Da
g-factor	0,776 ± 0,004
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,64 ± 0,02 m
Spini	1
nuclear quadrupole moment	-0,64 ± 0,03
koha e zbulimit apo shpikjes	1954
parity	+

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

¹²⁷Cs

Numri i masës	127
numri i neutroneve	72
Relative Atomic Mass	126,907417527 ± 0,000005987 Da
g-factor	2,914 ± 0,014
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	6,25 ± 0,1 h
Spini	1/2
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1950
parity	+

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

¹²⁸Cs

Numri i masës	128
numri i neutroneve	73
Relative Atomic Mass	127,907748452 ± 0,000005771 Da
g-factor	0,972 ± 0,005
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	3,64 ± 0,014 m
Spini	1
nuclear quadrupole moment	-0,54 ± 0,03
koha e zbulimit apo shpikjes	1951
parity	+

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

¹²⁹Cs

Numri i masës	129
numri i neutroneve	74
Relative Atomic Mass	128,90606591 ± 0,000004888 Da
g-factor	2,978 ± 0,016
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	32,06 ± 0,06 h
Spini	1/2
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1950
parity	+

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

¹³⁰Cs

Numri i masës	130
numri i neutroneve	75
Relative Atomic Mass	129,906709281 ± 0,000008971 Da
g-factor	1,458 ± 0,007
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	29,21 ± 0,04 m
Spini	1
nuclear quadrupole moment	-0,056 ± 0,006
koha e zbulimit apo shpikjes	1952
parity	+

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

¹³¹Cs

Numri i masës	131
numri i neutroneve	76
Relative Atomic Mass	130,905468457 ± 0,00000019 Da
g-factor	1,4144 ± 0,0012
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	9,689 ± 0,016 d
Spini	5/2
nuclear quadrupole moment	0,59 ± 0,02
koha e zbulimit apo shpikjes	1947
parity	+

decay mode	intensitet
ϵ (electron capture)	100%

¹³²Cs

Numri i masës	132
numri i neutroneve	77
Relative Atomic Mass	131,90643774 ± 0,000001112 Da
g-factor	1,1095 ± 0,0035
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	6,48 ± 0,006 d
Spini	2
nuclear quadrupole moment	0,48 ± 0,02
koha e zbulimit apo shpikjes	1953
parity	+

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

¹³³Cs

Numri i masës	133
numri i neutroneve	78
Relative Atomic Mass	132,905451958 ± 0,000000008 Da
g-factor	0,73651428571429 ± 0,0004
natural abundance	100
Radioaktivitet	stable isotope
half-life	Not Radioactive ☢️
Spini	7/2
nuclear quadrupole moment	-0,00343 ± 0,0001
koha e zbulimit apo shpikjes	1921
parity	+

¹³⁴Cs

Numri i masës	134
numri i neutroneve	79
Relative Atomic Mass	133,906718501 ± 0,000000017 Da
g-factor	0,747325 ± 0,00035
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	2,065 ± 0,0004 y
Spini	4
nuclear quadrupole moment	0,37 ± 0,02
koha e zbulimit apo shpikjes	1940
parity	+

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

¹³⁵Cs

Numri i masës	135
numri i neutroneve	80
Relative Atomic Mass	134,905976907 ± 0,00000039 Da
g-factor	0,77951428571429 ± 0,00037142857142857
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,33 ± 0,19 My
Spini	7/2
nuclear quadrupole moment	0,048 ± 0,003
koha e zbulimit apo shpikjes	1949
parity	+

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

¹³⁶Cs

Numri i masës	136
numri i neutroneve	81
Relative Atomic Mass	135,907311431 ± 0,00000201 Da
g-factor	0,741 ± 0,003
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	13,01 ± 0,05 d
Spini	5
nuclear quadrupole moment	0,213 ± 0,015
koha e zbulimit apo shpikjes	1951
parity	+

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

¹³⁷Cs

Numri i masës	137
numri i neutroneve	82
Relative Atomic Mass	136,907089296 ± 0,000000324 Da
g-factor	0,81068571428571 ± 0,0004
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	30,04 ± 0,04 y
Spini	7/2
nuclear quadrupole moment	0,048 ± 0,002
koha e zbulimit apo shpikjes	1951
parity	+

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

¹³⁸Cs

Numri i masës	138
numri i neutroneve	83
Relative Atomic Mass	137,911017119 ± 0,000009831 Da
g-factor	0,233 ± 0,0013333333333333
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	33,5 ± 0,2 m
Spini	3
nuclear quadrupole moment	0,112 ± 0,017
koha e zbulimit apo shpikjes	1943
parity	-

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

¹³⁹Cs

Numri i masës	139
numri i neutroneve	84
Relative Atomic Mass	138,913363822 ± 0,000003364 Da
g-factor	0,768 ± 0,0011428571428571
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	9,27 ± 0,05 m
Spini	7/2
nuclear quadrupole moment	-0,063 ± 0,014
koha e zbulimit apo shpikjes	1939
parity	+

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

¹⁴⁰Cs

Numri i masës	140
numri i neutroneve	85
Relative Atomic Mass	139,917283707 ± 0,000008801 Da
g-factor	0,134 ± 0,001
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	63,7 ± 0,3 s
Spini	1
nuclear quadrupole moment	-0,094 ± 0,015
koha e zbulimit apo shpikjes	1950
parity	-

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

¹⁴¹Cs

Numri i masës	141
numri i neutroneve	86
Relative Atomic Mass	140,920045279 ± 0,000009871 Da
g-factor	0,69457142857143 ± 0,0028571428571429
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	24,84 ± 0,16 s
Spini	7/2
nuclear quadrupole moment	-0,42 ± 0,07
koha e zbulimit apo shpikjes	1962
parity	+

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

¹⁴²Cs

Numri i masës	142
numri i neutroneve	87
Relative Atomic Mass	141,924299514 ± 0,000007586 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,687 ± 0,01 s
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1962
parity	-

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

¹⁴³Cs

Numri i masës	143
numri i neutroneve	88
Relative Atomic Mass	142,927347346 ± 0,00000813 Da
g-factor	0,57933333333333 ± 0,0026666666666667
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,802 ± 0,008 s
Spini	3/2
nuclear quadrupole moment	0,44 ± 0,03
koha e zbulimit apo shpikjes	1962
parity	+

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

¹⁴⁴Cs

Numri i masës	144
numri i neutroneve	89
Relative Atomic Mass	143,932075402 ± 0,000021612 Da
g-factor	-0,545 ± 0,003
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	994 ± 6 ms
Spini	1
nuclear quadrupole moment	0,29 ± 0,02
koha e zbulimit apo shpikjes	1967
parity	-

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

¹⁴⁵Cs

Numri i masës	145
numri i neutroneve	90
Relative Atomic Mass	144,935528927 ± 0,000009733 Da
g-factor	0,522 ± 0,0026666666666667
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	582 ± 4 ms
Spini	3/2
nuclear quadrupole moment	0,58 ± 0,06
koha e zbulimit apo shpikjes	1971
parity	+

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

¹⁴⁶Cs

Numri i masës	146
numri i neutroneve	91
Relative Atomic Mass	145,940621867 ± 0,000003106 Da
g-factor	-0,514 ± 0,002
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	321,6 ± 0,9 ms
Spini	1
nuclear quadrupole moment	0,21 ± 0,03
koha e zbulimit apo shpikjes	1971
parity	-

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

¹⁴⁷Cs

Numri i masës	147
numri i neutroneve	92
Relative Atomic Mass	146,944261512 ± 0,000009 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	230,5 ± 0,9 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1978
parity	+

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

¹⁴⁸Cs

Numri i masës	148
numri i neutroneve	93
Relative Atomic Mass	147,949639026 ± 0,000014 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	151,8 ± 1 ms
Spini	2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1978
parity	-

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

¹⁴⁹Cs

Numri i masës	149
numri i neutroneve	94
Relative Atomic Mass	148,953516 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	112,3 ± 2,5 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1979
parity	+

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

¹⁵⁰Cs

Numri i masës	150
numri i neutroneve	95
Relative Atomic Mass	149,959023 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	81 ± 2,6 ms
Spini	2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1979
parity	-

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

¹⁵¹Cs

Numri i masës	151
numri i neutroneve	96
Relative Atomic Mass	150,963199 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	59 ± 19 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1979
parity	+

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

¹⁵²Cs

Numri i masës	152
numri i neutroneve	97
Relative Atomic Mass	151,968728 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1987
parity

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

historia

zbulues	Gustov Kirchoff, Robert Bunsen
vendndodhja e zbulimit	Germany
koha e zbulimit apo shpikjes	1860
Etimologjia	Latin: coesius (sky blue); for the blue lines of its spectrum.
pronunciation	SEE-zi-em (anglisht)

burim

Abundance
Abundance in Earth's crust	3 mg/kg
natural abundance (Oqeani)	0,0003 mg/L
natural abundance (Trupi i njeriut)	0,000002 %
natural abundance (meteoroid)	0,000014 %
natural abundance (Diell)	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

Cezium on ChemicalAid

AGROVOC ID	c_1182
Art & Architecture Thesaurus ID	300380498
Australian Educational Vocabulary ID	scot/3063
BNCF Thesaurus ID	22890
Brockhaus Enzyklopädie online ID	cäsium
CAB ID	18776
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 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
identifikues i BNF	121655651
numri CAS	7440-46-2

Cezium (Cs)

Tipar Fizik

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

historia

burim

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