Stronsiy (Sr)

chemical element with symbol Sr and atomic number 38

Atomic Number	38
Atomic Weight	87.62
mass number	88

Group	2
Period	5
Block	s

Proton	38 p⁺
Neytron	50 n⁰
Elektron	38 e^-

Fizik Xossa

Atom Radiusi	200 pm 279 pm
Molyar hajm	33,7 cm³/mol
Kovalentlik Radiusi	185 pm 157 pm 139 pm 195 pm 195 pm
Metallic Radius	191 pm 215 pm
Ion radiuslar	118 pm 121 pm 126 pm 131 pm 136 pm 144 pm
Crystal Radius	132 pm 135 pm 140 pm 145 pm 150 pm 158 pm
Van der Waals radius	255 pm 249 pm 300 pm 249 pm 364,1 pm
density	2,64 g/cm³ 2 375 kg/m³

Chemical Property

{ERROR}

energiya

proton affinity
electron affinity	0,048 eV/particle
ionization energy	5,6948672 eV/particle 11,030276 eV/particle 42,88353 eV/particle 56,28 eV/particle 71 eV/particle 88 eV/particle 104 eV/particle 121,21 eV/particle 158,3 eV/particle 177 eV/particle 324,07 eV/particle 362 eV/particle 408 eV/particle 454 eV/particle 499 eV/particle 562 eV/particle 612 eV/particle 665 eV/particle 722 eV/particle 774 eV/particle 932 eV/particle 982,1 eV/particle 1 038 eV/particle 1 105 eV/particle 1 165 eV/particle 1 211 eV/particle 1 333,4 eV/particle 1 387,19 eV/particle 3 344,7 eV/particle 3 497 eV/particle 3 664 eV/particle 3 830 eV/particle 4 053 eV/particle 4 232 eV/particle 4 465 eV/particle 4 612,397 eV/particle 19 345,587 eV/particle 20 025,23 eV/particle

Solishtirma qaynash issiqligi	144 kJ/mol
solishtirma erish issiqligi	9,2 kJ/mol
standard enthalpy of formation	164 kJ/mol
Elektron

Ion asboblar	2, 8, 18, 8, 2

valence electron	2 ⓘ

electron configuration	[Kr] 5s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s²

Oksidlanish darajasi	1, 2
Elektrmanfiylik	5,695 eV/particle 0.1185082 0.95
Electrophilicity Index	0,730062406922635 eV/particle
fundamental state of matter

phase of matter
gaseous state of matter
Boiling Point	1 650,15 K
Melting Point	1 050,15 K
critical pressure
critical temperature
triple point
appearance
Rang	Black #ff1493 #00ff00 #00ff00
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
type	Conductor
electrical conductivity	7,7 MS/m
electrical resistivity	0,00000013 Ω*m
superconductivity
Magnetizm
type	paramagnetic
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 Structure	{ERROR}
Kristall panjara davri	6,08 Å
Lattice Angles	π/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
Category	Actinides, Alkaline earth metals
CAS Group	IIA
IUPAC Group	IIA
Glawe Number	15
Mendeleev Number	8
Pettifor Number	15
Geochemical Class	alkaline earth metal
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	197,2 ± 0,2 a₀
C6 Dispersion Coefficient	3 175 a₀ 3 230 a₀
allotrope
Neutron cross section	1,2
Neutron Mass Absorption	0,0005
Atom kvant sonlari	1S0
space group	225 (Fm_3m)

Isotopes of Strontium

Stable Isotopes	3
Unstable Isotopes	32
Natural Isotopes	4

⁷³Sr

mass number	73
neutron number	35
Nisbiy Atom Massa	72,9657 ± 0,00043 Da
g-factor
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	25,3 ± 1,4 ms
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1993
parity	-

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

⁷⁴Sr

mass number	74
neutron number	36
Nisbiy Atom Massa	73,95617 ± 0,000107 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	27,6 ± 2,6 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1995
parity	+

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

⁷⁵Sr

mass number	75
neutron number	37
Nisbiy Atom Massa	74,949952767 ± 0,000236183 Da
g-factor
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	85,2 ± 2,3 ms
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1991
parity	-

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

⁷⁶Sr

mass number	76
neutron number	38
Nisbiy Atom Massa	75,94176276 ± 0,000037 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	7,89 ± 0,07 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1990
parity	+

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

⁷⁷Sr

mass number	77
neutron number	39
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
spin	5/2
nuclear quadrupole moment	1,27 ± 0,05
time of discovery or invention	1976
parity	+

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

⁷⁸Sr

mass number	78
neutron number	40
Nisbiy Atom Massa	77,932179979 ± 0,000008 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	156,1 ± 2,7 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1982
parity	+

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

⁷⁹Sr

mass number	79
neutron number	41
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
spin	3/2
nuclear quadrupole moment	0,661 ± 0,006
time of discovery or invention	1972
parity	-

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

⁸⁰Sr

mass number	80
neutron number	42
Nisbiy Atom Massa	79,924517538 ± 0,000003718 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	106,3 ± 1,5 m
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1961
parity	+

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

⁸¹Sr

mass number	81
neutron number	43
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
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1952
parity	-

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

⁸²Sr

mass number	82
neutron number	44
Nisbiy Atom Massa	81,918399845 ± 0,000006432 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	25,35 ± 0,03 d
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1952
parity	+

decay mode	intensity
ϵ (electron capture)	100%

⁸³Sr

mass number	83
neutron number	45
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
spin	7/2
nuclear quadrupole moment	0,708 ± 0,011
time of discovery or invention	1952
parity	+

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

⁸⁴Sr

mass number	84
neutron number	46
Nisbiy Atom Massa	83,913419118 ± 0,000001334 Da
g-factor	0
natural abundance	0,56 ± 0,02
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1936
parity	+

decay mode	intensity
2β⁺ (double β⁺ decay)

⁸⁵Sr

mass number	85
neutron number	47
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
spin	9/2
nuclear quadrupole moment	0,263 ± 0,014
time of discovery or invention	1940
parity	+

decay mode	intensity
ϵ (electron capture)	100%

⁸⁶Sr

mass number	86
neutron number	48
Nisbiy Atom Massa	85,90926072473 ± 0,00000000563 Da
g-factor	0
natural abundance	9,86 ± 0,2
Radioaktivlik	stable isotope
Yarim yemirilish davri	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1931
parity	+

⁸⁷Sr

mass number	87
neutron number	49
Nisbiy Atom Massa	86,90887749454 ± 0,0000000055 Da
g-factor	-0,24292444444444 ± 0,000024444444444444
natural abundance	7 ± 0,2
Radioaktivlik	stable isotope
Yarim yemirilish davri	Not Radioactive ☢️
spin	9/2
nuclear quadrupole moment	0,305 ± 0,002
time of discovery or invention	1931
parity	+

⁸⁸Sr

mass number	88
neutron number	50
Nisbiy Atom Massa	87,905612253 ± 0,000000006 Da
g-factor	0
natural abundance	82,58 ± 0,35
Radioaktivlik	stable isotope
Yarim yemirilish davri	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1923
parity	+

⁸⁹Sr

mass number	89
neutron number	51
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
spin	5/2
nuclear quadrupole moment	-0,253 ± 0,008
time of discovery or invention	1937
parity	+

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

⁹⁰Sr

mass number	90
neutron number	52
Nisbiy Atom Massa	89,90772787 ± 0,000001555 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	28,91 ± 0,03 y
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1948
parity	+

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

⁹¹Sr

mass number	91
neutron number	53
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
spin	5/2
nuclear quadrupole moment	0,042 ± 0,01
time of discovery or invention	1943
parity	+

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

⁹²Sr

mass number	92
neutron number	54
Nisbiy Atom Massa	91,911038222 ± 0,000003675 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	2,611 ± 0,017 h
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1956
parity	+

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

⁹³Sr

mass number	93
neutron number	55
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
spin	5/2
nuclear quadrupole moment	0,24 ± 0,01
time of discovery or invention	1959
parity	+

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

⁹⁴Sr

mass number	94
neutron number	56
Nisbiy Atom Massa	93,915355641 ± 0,000001785 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	75,3 ± 0,2 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1959
parity	+

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

⁹⁵Sr

mass number	95
neutron number	57
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
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1961
parity	+

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

⁹⁶Sr

mass number	96
neutron number	58
Nisbiy Atom Massa	95,921719045 ± 0,000009089 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	1,059 ± 0,008 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1971
parity	+

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

⁹⁷Sr

mass number	97
neutron number	59
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
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1978
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.02%

⁹⁸Sr

mass number	98
neutron number	60
Nisbiy Atom Massa	97,928692636 ± 0,000003463 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	653 ± 2 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1971
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.23%

⁹⁹Sr

mass number	99
neutron number	61
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
spin	3/2
nuclear quadrupole moment	0,76 ± 0,04
time of discovery or invention	1975
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.1%

¹⁰⁰Sr

mass number	100
neutron number	62
Nisbiy Atom Massa	99,93578327 ± 0,000007426 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	202,1 ± 1,7 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1978
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1.11%

¹⁰¹Sr

mass number	101
neutron number	63
Nisbiy Atom Massa	100,940606264 ± 0,000009103 Da
g-factor
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	113,7 ± 1,7 ms
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1983
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	2.75%

¹⁰²Sr

mass number	102
neutron number	64
Nisbiy Atom Massa	101,944004679 ± 0,000072 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	69 ± 6 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1986
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	5.5%

¹⁰³Sr

mass number	103
neutron number	65
Nisbiy Atom Massa	102,949243 ± 0,000215 Da
g-factor
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	53 ± 10 ms
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1997
parity	+

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

¹⁰⁴Sr

mass number	104
neutron number	66
Nisbiy Atom Massa	103,953022 ± 0,000322 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	50,6 ± 4,2 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1997
parity	+

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

¹⁰⁵Sr

mass number	105
neutron number	67
Nisbiy Atom Massa	104,959001 ± 0,000537 Da
g-factor
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	39 ± 5 ms
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1997
parity	+

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

¹⁰⁶Sr

mass number	106
neutron number	68
Nisbiy Atom Massa	105,963177 ± 0,000644 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri	21 ± 8 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	2010
parity	+

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

¹⁰⁷Sr

mass number	107
neutron number	69
Nisbiy Atom Massa	106,969672 ± 0,000751 Da
g-factor
natural abundance
Radioaktivlik	☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	2010
parity	+

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

tarix

discoverer or inventor	A. Crawford
location of discovery	Scotland
time of discovery or invention	1790
Etimologiya	From the Scottish town, Strontian.
pronunciation	STRON-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

1	s	0.8089
2	p	3.9696
2	s	10.0982
3	d	15.2738
3	p	15.8324
3	s	15.3362
4	p	26.068
4	s	24.5556
5	s	31.9295

Stronsiy on ChemicalAid

Stronsiy (Sr)

Fizik Xossa

Chemical Property

other

Isotopes of Strontium

73Sr

74Sr

75Sr

76Sr

77Sr

78Sr

79Sr

80Sr

81Sr

82Sr

83Sr

84Sr

85Sr

86Sr

87Sr

88Sr

89Sr

90Sr

91Sr

92Sr

93Sr

94Sr

95Sr

96Sr

97Sr

98Sr

99Sr

100Sr

101Sr

102Sr

103Sr

104Sr

105Sr

106Sr

107Sr

tarix

source

Nuclear Screening Constants

⁷³Sr

⁷⁴Sr

⁷⁵Sr

⁷⁶Sr

⁷⁷Sr

⁷⁸Sr

⁷⁹Sr

⁸⁰Sr

⁸¹Sr

⁸²Sr

⁸³Sr

⁸⁴Sr

⁸⁵Sr

⁸⁶Sr

⁸⁷Sr

⁸⁸Sr

⁸⁹Sr

⁹⁰Sr

⁹¹Sr

⁹²Sr

⁹³Sr

⁹⁴Sr

⁹⁵Sr

⁹⁶Sr

⁹⁷Sr

⁹⁸Sr

⁹⁹Sr

¹⁰⁰Sr

¹⁰¹Sr

¹⁰²Sr

¹⁰³Sr

¹⁰⁴Sr

¹⁰⁵Sr

¹⁰⁶Sr

¹⁰⁷Sr