Stronsiy

Stronsiy (Sr)

chemical element with symbol Sr and atomic number 38
Atomic Number38
Atomic Weight87.62
mass number88
Group2
Period5
Blocks
Proton38 p+
Neytron50 n0
Elektron38 e-
Animated Bohr model of Sr (Stronsiy)

Fizik Xossa

Atom Radiusi
200 pm
Molyar hajm
Kovalentlik Radiusi
185 pm
Metallic Radius
191 pm
Ion radiuslar
118 pm
Crystal Radius
132 pm
Van der Waals radius
249 pm
density
2,64 g/cm³
Atomic Radii Of The Elements: Stronsiy0102030405060708090100110120130140150160170180190200210220230240250pmAtom RadiusiKovalentlik RadiusiMetallic RadiusVan der Waals radius

Chemical Property

energiya
proton affinity
electron affinity
ionization energy
5,6948672 eV/particle
ionization energy of Sr (Stronsiy)
Solishtirma qaynash issiqligi
144 kJ/mol
solishtirma erish issiqligi
9,2 kJ/mol
standard enthalpy of formation
164 kJ/mol
Elektron
Ion asboblar2, 8, 18, 8, 2
Bohr model: Sr (Stronsiy)
valence electron2
Lewis structure: Sr (Stronsiy)
electron configuration[Kr] 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2
Enhanced Bohr model of Sr (Stronsiy)
Orbital Diagram of Sr (Stronsiy)
Oksidlanish darajasi1, 2
Elektrmanfiylik
0.95
Electrophilicity Index
0,730062406922635 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
1 650,15 K
Melting Point
1 050,15 K
critical pressure
critical temperature
triple point
appearance
Rang
Silver
appearance
refractive index
thermodynamic material property
Thermal Conductivity
Issiqlikdan kengayish
0,0000225 1/K
molar heat capacity
26,79 J/(mol K)
Specific Heat Capacity
0,306 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
7,7 MS/m
electrical resistivity
0,00000013 m Ω
superconductivity
Magnetizm
typeparamagnetic
magnetic susceptibility (Mass)
0,00000000132 m³/Kg
magnetic susceptibility (Molar)
0,000000000116 m³/mol
magnetic susceptibility (Volume)
0,00000347
magnetic ordering
Kyuri nuqtasi
Néel temperature
Tuzilma
Crystal StructureFace Centered Cubic (FCC)
Kristall panjara davri
6,08 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Qattiqlik
1,5 MPa
bulk modulus
shear modulus
6,1 GPa
Yung moduli
Poisson's ratio
0,28
Tovush tezligi
klassifikatsiya
CategoryAlkaline earth metals, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number15
Mendeleev Number8
Pettifor Number15
Geochemical Classalkaline earth metal
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
197,2 ± 0,2 a₀
C6 Dispersion Coefficient
3 175 a₀
allotrope
Neutron cross section
1,2
Neutron Mass Absorption
0,0005
Atom kvant sonlari1S0
space group225 (Fm_3m)

Isotopes of Strontium

Stable Isotopes3
Unstable Isotopes32
Natural Isotopes4
Isotopic Composition8882.58%8882.58%869.86%869.86%877.00%877.00%840.56%840.56%

73Sr

mass number73
neutron number35
Nisbiy atom massa
72,9657 ± 0,00043 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
25,3 ± 1,4 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1993
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)63%

74Sr

mass number74
neutron number36
Nisbiy atom massa
73,95617 ± 0,000107 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
27,6 ± 2,6 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1995
parity+

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

75Sr

mass number75
neutron number37
Nisbiy atom massa
74,949952767 ± 0,000236183 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
85,2 ± 2,3 ms
spin3/2
nuclear quadrupole moment
time of discovery or invention1991
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)5.2%

76Sr

mass number76
neutron number38
Nisbiy atom massa
75,94176276 ± 0,000037 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
7,89 ± 0,07 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1990
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)3.4%

77Sr

mass number77
neutron number39
Nisbiy atom massa
76,937945454 ± 0,0000085 Da
g-factor
-0,1392 ± 0,0016
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
9 ± 0,2 s
spin5/2
nuclear quadrupole moment
1,27 ± 0,05
time of discovery or invention1976
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.08%

78Sr

mass number78
neutron number40
Nisbiy atom massa
77,932179979 ± 0,000008 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
156,1 ± 2,7 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1982
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

79Sr

mass number79
neutron number41
Nisbiy atom massa
78,929704692 ± 0,000007967 Da
g-factor
-0,316 ± 0,0026666666666667
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,25 ± 0,1 m
spin3/2
nuclear quadrupole moment
0,661 ± 0,006
time of discovery or invention1972
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

80Sr

mass number80
neutron number42
Nisbiy atom massa
79,924517538 ± 0,000003718 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
106,3 ± 1,5 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1961
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

81Sr

mass number81
neutron number43
Nisbiy atom massa
80,923211393 ± 0,000003358 Da
g-factor
1,086 ± 0,008
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
22,3 ± 0,4 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1952
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

82Sr

mass number82
neutron number44
Nisbiy atom massa
81,918399845 ± 0,000006432 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
25,35 ± 0,03 d
spin0
nuclear quadrupole moment
0
time of discovery or invention1952
parity+

decay modeintensity
ϵ (electron capture)100%

83Sr

mass number83
neutron number45
Nisbiy atom massa
82,917554372 ± 0,000007336 Da
g-factor
-0,237 ± 0,0002
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
32,41 ± 0,03 h
spin7/2
nuclear quadrupole moment
0,708 ± 0,011
time of discovery or invention1952
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

84Sr

mass number84
neutron number46
Nisbiy atom massa
83,913419118 ± 0,000001334 Da
g-factor
0
natural abundance
0,56 ± 0,02
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin0
nuclear quadrupole moment
0
time of discovery or invention1936
parity+

decay modeintensity
+ (double β+ decay)

85Sr

mass number85
neutron number47
Nisbiy atom massa
84,912932041 ± 0,00000302 Da
g-factor
-0,22224444444444 ± 0,00015555555555556
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
64,846 ± 0,006 d
spin9/2
nuclear quadrupole moment
0,263 ± 0,014
time of discovery or invention1940
parity+

decay modeintensity
ϵ (electron capture)100%

86Sr

mass number86
neutron number48
Nisbiy atom massa
85,90926072473 ± 0,00000000563 Da
g-factor
0
natural abundance
9,86 ± 0,2
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1931
parity+

87Sr

mass number87
neutron number49
Nisbiy atom massa
86,90887749454 ± 0,0000000055 Da
g-factor
-0,24292444444444 ± 0,000024444444444444
natural abundance
7 ± 0,2
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin9/2
nuclear quadrupole moment
0,305 ± 0,002
time of discovery or invention1931
parity+

88Sr

mass number88
neutron number50
Nisbiy atom massa
87,905612253 ± 0,000000006 Da
g-factor
0
natural abundance
82,58 ± 0,35
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1923
parity+

89Sr

mass number89
neutron number51
Nisbiy atom massa
88,907450808 ± 0,000000098 Da
g-factor
-0,4592 ± 0,0008
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
50,563 ± 0,025 d
spin5/2
nuclear quadrupole moment
-0,253 ± 0,008
time of discovery or invention1937
parity+

decay modeintensity
β (β decay)100%

90Sr

mass number90
neutron number52
Nisbiy atom massa
89,90772787 ± 0,000001555 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
28,91 ± 0,03 y
spin0
nuclear quadrupole moment
0
time of discovery or invention1948
parity+

decay modeintensity
β (β decay)100%

91Sr

mass number91
neutron number53
Nisbiy atom massa
90,910195942 ± 0,000005853 Da
g-factor
-0,354 ± 0,0008
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
9,65 ± 0,06 h
spin5/2
nuclear quadrupole moment
0,042 ± 0,01
time of discovery or invention1943
parity+

decay modeintensity
β (β decay)100%

92Sr

mass number92
neutron number54
Nisbiy atom massa
91,911038222 ± 0,000003675 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,611 ± 0,017 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1956
parity+

decay modeintensity
β (β decay)100%

93Sr

mass number93
neutron number55
Nisbiy atom massa
92,914024314 ± 0,000008109 Da
g-factor
-0,3172 ± 0,0008
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
7,43 ± 0,03 m
spin5/2
nuclear quadrupole moment
0,24 ± 0,01
time of discovery or invention1959
parity+

decay modeintensity
β (β decay)100%

94Sr

mass number94
neutron number56
Nisbiy atom massa
93,915355641 ± 0,000001785 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
75,3 ± 0,2 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1959
parity+

decay modeintensity
β (β decay)100%

95Sr

mass number95
neutron number57
Nisbiy atom massa
94,919358282 ± 0,000006237 Da
g-factor
-1,074 ± 0,004
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
23,9 ± 0,14 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1961
parity+

decay modeintensity
β (β decay)100%

96Sr

mass number96
neutron number58
Nisbiy atom massa
95,921719045 ± 0,000009089 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,059 ± 0,008 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1971
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

97Sr

mass number97
neutron number59
Nisbiy atom massa
96,926375621 ± 0,000003633 Da
g-factor
-0,996 ± 0,004
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
432 ± 4 ms
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1978
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.02%

98Sr

mass number98
neutron number60
Nisbiy atom massa
97,928692636 ± 0,000003463 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
653 ± 2 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1971
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.23%

99Sr

mass number99
neutron number61
Nisbiy atom massa
98,932883604 ± 0,000005085 Da
g-factor
-0,174 ± 0,0033333333333333
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
269,2 ± 1 ms
spin3/2
nuclear quadrupole moment
0,76 ± 0,04
time of discovery or invention1975
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.1%

100Sr

mass number100
neutron number62
Nisbiy atom massa
99,93578327 ± 0,000007426 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
202,1 ± 1,7 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1978
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.11%

101Sr

mass number101
neutron number63
Nisbiy atom massa
100,940606264 ± 0,000009103 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
113,7 ± 1,7 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1983
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)2.75%

102Sr

mass number102
neutron number64
Nisbiy atom massa
101,944004679 ± 0,000072 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
69 ± 6 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1986
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)5.5%

103Sr

mass number103
neutron number65
Nisbiy atom massa
102,949243 ± 0,000215 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
53 ± 10 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1997
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

104Sr

mass number104
neutron number66
Nisbiy atom massa
103,953022 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
50,6 ± 4,2 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1997
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

105Sr

mass number105
neutron number67
Nisbiy atom massa
104,959001 ± 0,000537 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
39 ± 5 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1997
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

106Sr

mass number106
neutron number68
Nisbiy atom massa
105,963177 ± 0,000644 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
21 ± 8 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention2010
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

107Sr

mass number107
neutron number69
Nisbiy atom massa
106,969672 ± 0,000751 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin1/2
nuclear quadrupole moment
0
time of discovery or invention2010
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Strontium destilled crystals

tarix

discoverer or inventorA. Crawford
location of discoveryScotland
time of discovery or invention1790
EtimologiyaFrom the Scottish town, Strontian.
pronunciationSTRON-she-em (inglizcha)

source

Abundance
Abundance in Earth's crust
370 mg/kg
natural abundance (Okean)
7,9 mg/L
natural abundance (Inson tanasi)
0,00046 %
natural abundance (Meteoroid)
0,00087 %
natural abundance (Quyosh)
0,000005 %
Abundance in Universe
0,000004 %

Nuclear Screening Constants

1s0.8089
2p3.9696
2s10.0982
3d15.2738
3p15.8324
3s15.3362
4p26.068
4s24.5556
5s31.9295