Cezij (Cs)

chemical element with symbol Cs and atomic number 55

Atomski broj	55
Relativna atomska masa	132.90545196
Maseni broj	133

Skupina	1
Perioda	6
Blok	s

proton	55 p⁺
neutron	78 n⁰
elektron	55 e^-

Animated Bohrov model atoma of Cs (Cezij)

Physical Property

Atomski Radijus	260 pm 249 pm
Molni volumen	70 cm³/mol
Kovalentni Radijus	232 pm 209 pm 237 pm 244 pm
Metallic Radius	235 pm 267 pm
Ionski radijus	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
gustoća	1,873 g/cm³ 1.843 kg/m³

Kemijsko Svojstvo

{ERROR}

energija

proton affinity
Elektronski afinitet	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

Toplina isparivanja	68,3 kJ/mol
toplina taljenja	2,09 kJ/mol
standard enthalpy of formation	76,5 kJ/mol
elektron

Elektronska ljuska	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

Oksidacijski broj	-1, 1
Elektronegativnost	3,898 eV/particle 0.1542125 0.79
Electrophilicity Index	0,696095447101947 eV/particle
fundamental state of matter

agregatno stanje
gaseous state of matter
Vrelište	944,15 K
Talište	301,65 K
critical pressure	9,4 MPa
critical temperature	1.938,15 K
Trojna točka
appearance
boja	Crna #ff1493 #57178f #57178f
appearance	silvery gold
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost	35,9 W/(m K)
Toplinsko istezanje
molar heat capacity	32,21 J/(mol K)
Specifični toplinski kapacitet	0,242 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	5 MS/m
Električna otpornost i provodnost	0,0000002 Ω*m
Supravodljivost
Magnetizam
type	paramagnetic
Magnetna susceptibilnost (Mass)	0,0000000028 m³/Kg
Magnetna susceptibilnost (Molar)	0,000000000372 m³/mol
Magnetna susceptibilnost (Volume)	0,00000526
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna struktura	{ERROR}
lattice constant	6,05 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
Tvrdoća	0,14 MPa 0,2 MPa
bulk modulus	1,6 GPa
shear modulus
Youngov modul elastičnosti	1,7 GPa
Poissonov omjer
brzina zvuka
classification
Kategorija	Aktinoidi, 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
Nuklearni udarni presjek	29
Neutron Mass Absorption	0,0077
Kvantni brojevi	2S1/2
space group	229 (Im_3m)

Isotopes of Cesium

Stabilni izotopi	1
Nestabilni izotopi	41
Natural Isotopes	1

¹¹¹Cs

Maseni broj	111
neutron number	56
Relativna Atomska Masa	110,953945 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost	+

decay mode	intensity
p (proton emission)

¹¹²Cs

Maseni broj	112
neutron number	57
Relativna Atomska Masa	111,950172 ± 0,000124 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	490 ± 30 us
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1994
Parnost	+

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

¹¹³Cs

Maseni broj	113
neutron number	58
Relativna Atomska Masa	112,944428484 ± 0,000009207 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	16,94 ± 0,09 us
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1984
Parnost	+

decay mode	intensity
p (proton emission)	100%

¹¹⁴Cs

Maseni broj	114
neutron number	59
Relativna Atomska Masa	113,941292244 ± 0,000091323 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	570 ± 20 ms
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1978
Parnost	+

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

Maseni broj	115
neutron number	60
Relativna Atomska Masa	114,93591 ± 0,00011 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,4 ± 0,8 s
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1978
Parnost	+

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

¹¹⁶Cs

Maseni broj	116
neutron number	61
Relativna Atomska Masa	115,933395 ± 0,000108 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	700 ± 40 ms
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1975
Parnost	+

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

Maseni broj	117
neutron number	62
Relativna Atomska Masa	116,928616723 ± 0,000067 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	8,4 ± 0,6 s
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1972
Parnost	+

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

¹¹⁸Cs

Maseni broj	118
neutron number	63
Relativna Atomska Masa	117,926559517 ± 0,00001369 Da
g-factor	1,935 ± 0,0025
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	14 ± 2 s
spin	2
nuclear quadrupole moment	1,31 ± 0,17
vrijeme otkrića ili izuma	1969
Parnost	+

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

Maseni broj	119
neutron number	64
Relativna Atomska Masa	118,922377327 ± 0,000014965 Da
g-factor	1,2111111111111 ± 0,0066666666666667
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	43 ± 0,2 s
spin	9/2
nuclear quadrupole moment	2,65 ± 0,17
vrijeme otkrića ili izuma	1969
Parnost	+

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

¹²⁰Cs

Maseni broj	120
neutron number	65
Relativna Atomska Masa	119,920677277 ± 0,000010702 Da
g-factor	1,93 ± 0,01
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	60,4 ± 0,6 s
spin	2
nuclear quadrupole moment	1,36 ± 0,07
vrijeme otkrića ili izuma	1969
Parnost	+

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

Maseni broj	121
neutron number	66
Relativna Atomska Masa	120,917227235 ± 0,00001534 Da
g-factor	0,51266666666667 ± 0,0026666666666667
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	155 ± 4 s
spin	3/2
nuclear quadrupole moment	0,79 ± 0,04
vrijeme otkrića ili izuma	1969
Parnost	+

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

¹²²Cs

Maseni broj	122
neutron number	67
Relativna Atomska Masa	121,916108144 ± 0,000036164 Da
g-factor	0,133 ± 0,002
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	21,18 ± 0,19 s
spin	1
nuclear quadrupole moment	−0,179 ± 0,01
vrijeme otkrića ili izuma	1969
Parnost	+

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

¹²³Cs

Maseni broj	123
neutron number	68
Relativna Atomska Masa	122,91299606 ± 0,000013 Da
g-factor	2,75 ± 0,014
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	5,88 ± 0,03 m
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1954
Parnost	+

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

¹²⁴Cs

Maseni broj	124
neutron number	69
Relativna Atomska Masa	123,912247366 ± 0,000009823 Da
g-factor	0,672 ± 0,003
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	30,9 ± 0,4 s
spin	1
nuclear quadrupole moment	−0,69 ± 0,04
vrijeme otkrića ili izuma	1969
Parnost	+

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

¹²⁵Cs

Maseni broj	125
neutron number	70
Relativna Atomska Masa	124,909725953 ± 0,000008304 Da
g-factor	2,814 ± 0,014
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	44,35 ± 0,29 m
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1954
Parnost	+

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

¹²⁶Cs

Maseni broj	126
neutron number	71
Relativna Atomska Masa	125,909445821 ± 0,00001112 Da
g-factor	0,776 ± 0,004
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,64 ± 0,02 m
spin	1
nuclear quadrupole moment	−0,64 ± 0,03
vrijeme otkrića ili izuma	1954
Parnost	+

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

¹²⁷Cs

Maseni broj	127
neutron number	72
Relativna Atomska Masa	126,907417527 ± 0,000005987 Da
g-factor	2,914 ± 0,014
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	6,25 ± 0,1 h
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1950
Parnost	+

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

¹²⁸Cs

Maseni broj	128
neutron number	73
Relativna Atomska Masa	127,907748452 ± 0,000005771 Da
g-factor	0,972 ± 0,005
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,64 ± 0,014 m
spin	1
nuclear quadrupole moment	−0,54 ± 0,03
vrijeme otkrića ili izuma	1951
Parnost	+

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

¹²⁹Cs

Maseni broj	129
neutron number	74
Relativna Atomska Masa	128,90606591 ± 0,000004888 Da
g-factor	2,978 ± 0,016
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	32,06 ± 0,06 h
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1950
Parnost	+

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

¹³⁰Cs

Maseni broj	130
neutron number	75
Relativna Atomska Masa	129,906709281 ± 0,000008971 Da
g-factor	1,458 ± 0,007
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	29,21 ± 0,04 m
spin	1
nuclear quadrupole moment	−0,056 ± 0,006
vrijeme otkrića ili izuma	1952
Parnost	+

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

¹³¹Cs

Maseni broj	131
neutron number	76
Relativna Atomska Masa	130,905468457 ± 0,00000019 Da
g-factor	1,4144 ± 0,0012
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	9,689 ± 0,016 d
spin	5/2
nuclear quadrupole moment	0,59 ± 0,02
vrijeme otkrića ili izuma	1947
Parnost	+

decay mode	intensity
ϵ (electron capture)	100%

¹³²Cs

Maseni broj	132
neutron number	77
Relativna Atomska Masa	131,90643774 ± 0,000001112 Da
g-factor	1,1095 ± 0,0035
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	6,48 ± 0,006 d
spin	2
nuclear quadrupole moment	0,48 ± 0,02
vrijeme otkrića ili izuma	1953
Parnost	+

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

¹³³Cs

Maseni broj	133
neutron number	78
Relativna Atomska Masa	132,905451958 ± 0,000000008 Da
g-factor	0,73651428571429 ± 0,0004
natural abundance	100
radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	7/2
nuclear quadrupole moment	−0,00343 ± 0,0001
vrijeme otkrića ili izuma	1921
Parnost	+

¹³⁴Cs

Maseni broj	134
neutron number	79
Relativna Atomska Masa	133,906718501 ± 0,000000017 Da
g-factor	0,747325 ± 0,00035
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,065 ± 0,0004 y
spin	4
nuclear quadrupole moment	0,37 ± 0,02
vrijeme otkrića ili izuma	1940
Parnost	+

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

¹³⁵Cs

Maseni broj	135
neutron number	80
Relativna Atomska Masa	134,905976907 ± 0,00000039 Da
g-factor	0,77951428571429 ± 0,00037142857142857
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,33 ± 0,19 My
spin	7/2
nuclear quadrupole moment	0,048 ± 0,003
vrijeme otkrića ili izuma	1949
Parnost	+

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

¹³⁶Cs

Maseni broj	136
neutron number	81
Relativna Atomska Masa	135,907311431 ± 0,00000201 Da
g-factor	0,741 ± 0,003
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	13,01 ± 0,05 d
spin	5
nuclear quadrupole moment	0,213 ± 0,015
vrijeme otkrića ili izuma	1951
Parnost	+

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

¹³⁷Cs

Maseni broj	137
neutron number	82
Relativna Atomska Masa	136,907089296 ± 0,000000324 Da
g-factor	0,81068571428571 ± 0,0004
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	30,04 ± 0,04 y
spin	7/2
nuclear quadrupole moment	0,048 ± 0,002
vrijeme otkrića ili izuma	1951
Parnost	+

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

¹³⁸Cs

Maseni broj	138
neutron number	83
Relativna Atomska Masa	137,911017119 ± 0,000009831 Da
g-factor	0,233 ± 0,0013333333333333
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	33,5 ± 0,2 m
spin	3
nuclear quadrupole moment	0,112 ± 0,017
vrijeme otkrića ili izuma	1943
Parnost	-

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

¹³⁹Cs

Maseni broj	139
neutron number	84
Relativna Atomska Masa	138,913363822 ± 0,000003364 Da
g-factor	0,768 ± 0,0011428571428571
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	9,27 ± 0,05 m
spin	7/2
nuclear quadrupole moment	−0,063 ± 0,014
vrijeme otkrića ili izuma	1939
Parnost	+

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

¹⁴⁰Cs

Maseni broj	140
neutron number	85
Relativna Atomska Masa	139,917283707 ± 0,000008801 Da
g-factor	0,134 ± 0,001
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	63,7 ± 0,3 s
spin	1
nuclear quadrupole moment	−0,094 ± 0,015
vrijeme otkrića ili izuma	1950
Parnost	-

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

¹⁴¹Cs

Maseni broj	141
neutron number	86
Relativna Atomska Masa	140,920045279 ± 0,000009871 Da
g-factor	0,69457142857143 ± 0,0028571428571429
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	24,84 ± 0,16 s
spin	7/2
nuclear quadrupole moment	−0,42 ± 0,07
vrijeme otkrića ili izuma	1962
Parnost	+

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

¹⁴²Cs

Maseni broj	142
neutron number	87
Relativna Atomska Masa	141,924299514 ± 0,000007586 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,687 ± 0,01 s
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1962
Parnost	-

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

¹⁴³Cs

Maseni broj	143
neutron number	88
Relativna Atomska Masa	142,927347346 ± 0,00000813 Da
g-factor	0,57933333333333 ± 0,0026666666666667
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,802 ± 0,008 s
spin	3/2
nuclear quadrupole moment	0,44 ± 0,03
vrijeme otkrića ili izuma	1962
Parnost	+

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

¹⁴⁴Cs

Maseni broj	144
neutron number	89
Relativna Atomska Masa	143,932075402 ± 0,000021612 Da
g-factor	−0,545 ± 0,003
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	994 ± 6 ms
spin	1
nuclear quadrupole moment	0,29 ± 0,02
vrijeme otkrića ili izuma	1967
Parnost	-

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

¹⁴⁵Cs

Maseni broj	145
neutron number	90
Relativna Atomska Masa	144,935528927 ± 0,000009733 Da
g-factor	0,522 ± 0,0026666666666667
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	582 ± 4 ms
spin	3/2
nuclear quadrupole moment	0,58 ± 0,06
vrijeme otkrića ili izuma	1971
Parnost	+

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

¹⁴⁶Cs

Maseni broj	146
neutron number	91
Relativna Atomska Masa	145,940621867 ± 0,000003106 Da
g-factor	−0,514 ± 0,002
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	321,6 ± 0,9 ms
spin	1
nuclear quadrupole moment	0,21 ± 0,03
vrijeme otkrića ili izuma	1971
Parnost	-

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

¹⁴⁷Cs

Maseni broj	147
neutron number	92
Relativna Atomska Masa	146,944261512 ± 0,000009 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	230,5 ± 0,9 ms
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1978
Parnost	+

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

¹⁴⁸Cs

Maseni broj	148
neutron number	93
Relativna Atomska Masa	147,949639026 ± 0,000014 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	151,8 ± 1 ms
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1978
Parnost	-

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

¹⁴⁹Cs

Maseni broj	149
neutron number	94
Relativna Atomska Masa	148,953516 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	112,3 ± 2,5 ms
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1979
Parnost	+

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

¹⁵⁰Cs

Maseni broj	150
neutron number	95
Relativna Atomska Masa	149,959023 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	81 ± 2,6 ms
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1979
Parnost	-

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

¹⁵¹Cs

Maseni broj	151
neutron number	96
Relativna Atomska Masa	150,963199 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	59 ± 19 ms
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1979
Parnost	+

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

¹⁵²Cs

Maseni broj	152
neutron number	97
Relativna Atomska Masa	151,968728 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma	1987
Parnost

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

povijest

otkrio/izumio	Gustov Kirchoff, Robert Bunsen
location of discovery	Germany
vrijeme otkrića ili izuma	1860
Etimologija	Latin: coesius (sky blue); for the blue lines of its spectrum.
pronunciation	SEE-zi-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori	3 mg/kg
natural abundance (ocean)	0,0003 mg/L
natural abundance (tijelo)	0,000002 %
natural abundance (meteoroid)	0,000014 %
natural abundance (Sunce)	0,0000008 %
Zastupljenost u svemiru	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

Cezij on ChemicalAid

Cezij (Cs)

Physical Property

Kemijsko Svojstvo

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

povijest

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