Cirkonijs (Zr)

chemical element with symbol Zr and atomic number 40

Atomic Number	40
Atomic Weight	91.224
Masas skaitlis	90

Group	4
Period	5
Block	d

protons	40 p⁺
neitrons	50 n⁰
elektrons	40 e^-

Animated Bora atoma struktūras modelis of Zr (Cirkonijs)

Fizikāla Īpašība

Atoma Rādiuss	155 pm 269 pm
molar volume	14,1 cm³/mol
Covalent Radius	154 pm 127 pm 121 pm 175 pm
Metallic Radius	145 pm 160 pm
ionic radius	59 pm 66 pm 72 pm 78 pm 84 pm 89 pm
Crystal Radius	73 pm 80 pm 86 pm 92 pm 98 pm 103 pm
Van der Waals radius	230 pm 223 pm 254 pm 312,4 pm
blīvums	6,52 g/cm³ 5 800 kg/m³

Chemical Property

enerģija

proton affinity
Elektrontieksme	0,426 eV/particle
jonizācijas potenciāls	6,6339 eV/particle 13,13 eV/particle 23,17 eV/particle 34,41836 eV/particle 80,348 eV/particle 96,27 eV/particle 112 eV/particle 133,7 eV/particle 153 eV/particle 172,02 eV/particle 214,9 eV/particle 236,25 eV/particle 426 eV/particle 470 eV/particle 520 eV/particle 573 eV/particle 622 eV/particle 690 eV/particle 745 eV/particle 803 eV/particle 863 eV/particle 922 eV/particle 1 092 eV/particle 1 144,7 eV/particle 1 205,4 eV/particle 1 277 eV/particle 1 344 eV/particle 1 392 eV/particle 1 525,1 eV/particle 1 582,371 eV/particle 3 788 eV/particle 3 950 eV/particle 4 127 eV/particle 4 300 eV/particle 4 553 eV/particle 4 744 eV/particle 4 991 eV/particle 5 146,935 eV/particle 21 516,469 eV/particle 22 236,68 eV/particle

enthalpy of vaporization	567 kJ/mol
enthalpy of fusion	19,2 kJ/mol
standard enthalpy of formation	610 kJ/mol
elektrons

electron shell	2, 8, 18, 10, 2

vērtības elektrons	2 ⓘ

elektronu konfigurācija	[Kr] 4d² 5s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 4d² 5s²

Oksidēšanas pakāpe	-2, 0, 1, 2, 3, 4
elektronegativitāte	7,808 eV/particle 0.1248887 1.33
Electrophilicity Index	1,0036040369931862 eV/particle
fundamentālais agregātstāvoklis

agregātstāvoklis	Solid
gaseous state of matter
Boiling Point	4 679,15 K
Melting Point	2 127,15 K
critical pressure
critical temperature
trīskāršais punkts
appearance
krāsa	Silver #ff1493 #94e0e0 #94e0e0
appearance	silvery white
Laušanas koeficients
thermodynamic material property
Thermal Conductivity	22,7 W/(m K)
Termiskā izplešanās	0,0000057 1/K
Molārā siltumietilpība	25,36 J/(mol K)
Specific Heat Capacity	0,278 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	2,4 MS/m
īpatnējā pretestība	0,00000042 Ω*m
Supravadītspēja	0,61 K
Magnētisms
type	paramagnetic
magnetic susceptibility (Mass)	0,0000000168 m³/Kg
magnetic susceptibility (Molar)	0,00000000153 m³/mol
magnetic susceptibility (Volume)	0,000109
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal Structure	Simple Hexagonal (HEX)
lattice constant	3,23 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
Cietība	650 MPa 5 MPa 903 MPa
tilpuma elastības modulis
shear modulus	33 GPa
Junga modulis	68 GPa
Poisson's ratio	0,34
skaņas ātrums	3 800 m/s
klasifikācija
Category	Transition metals, Transition metals
CAS Group	IVA
IUPAC Group	IVB
Glawe Number	49
Mendeleev Number	44
Pettifor Number	49
Geochemical Class	high field strength
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	112 ± 13 a₀
C6 Dispersion Coefficient	1 360 a₀
allotrope
Neutron cross section	0,184
Neutron Mass Absorption	0,00066
quantum number	3F2
space group	194 (P63/mmc)

Isotopes of Zirconium

Stable Isotopes	3
Unstable Isotopes	34
Natural Isotopes	5

⁷⁷Zr

Masas skaitlis	77
neutron number	37
Relative Atomic Mass	76,966076 ± 0,000429 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	3/2
nuclear quadrupole moment
atklāšanas datums	2017
parity	-

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

⁷⁸Zr

Masas skaitlis	78
neutron number	38
Relative Atomic Mass	77,956146 ± 0,000429 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	0
nuclear quadrupole moment	0
atklāšanas datums	2001
parity	+

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

⁷⁹Zr

Masas skaitlis	79
neutron number	39
Relative Atomic Mass	78,94979 ± 0,000322 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	56 ± 30 ms
spins	5/2
nuclear quadrupole moment
atklāšanas datums	1999
parity	+

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

⁸⁰Zr

Masas skaitlis	80
neutron number	40
Relative Atomic Mass	79,941213 ± 0,000322 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	4,6 ± 0,6 s
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1987
parity	+

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

⁸¹Zr

Masas skaitlis	81
neutron number	41
Relative Atomic Mass	80,938245 ± 0,000099 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	5,5 ± 0,4 s
spins	3/2
nuclear quadrupole moment
atklāšanas datums	1997
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	0.12%

⁸²Zr

Masas skaitlis	82
neutron number	42
Relative Atomic Mass	81,931707497 ± 0,0000017 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	32 ± 5 s
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1982
parity	+

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

⁸³Zr

Masas skaitlis	83
neutron number	43
Relative Atomic Mass	82,929240926 ± 0,000006902 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	42 ± 2 s
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1974
parity	-

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

⁸⁴Zr

Masas skaitlis	84
neutron number	44
Relative Atomic Mass	83,923325663 ± 0,000005903 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	25,8 ± 0,5 m
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1977
parity	+

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

⁸⁵Zr

Masas skaitlis	85
neutron number	45
Relative Atomic Mass	84,921443199 ± 0,000006902 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	7,86 ± 0,04 m
spins	7/2
nuclear quadrupole moment
atklāšanas datums	1963
parity	+

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

⁸⁶Zr

Masas skaitlis	86
neutron number	46
Relative Atomic Mass	85,916296814 ± 0,000003827 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	16,5 ± 0,1 h
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1951
parity	+

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

⁸⁷Zr

Masas skaitlis	87
neutron number	47
Relative Atomic Mass	86,914817338 ± 0,00000445 Da
g-factor	-0,19866666666667 ± 0,0011111111111111
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	1,68 ± 0,01 h
spins	9/2
nuclear quadrupole moment	0,42 ± 0,05
atklāšanas datums	1948
parity	+

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

⁸⁸Zr

Masas skaitlis	88
neutron number	48
Relative Atomic Mass	87,910220715 ± 0,0000058 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	83,4 ± 0,3 d
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1951
parity	+

decay mode	intensity
ϵ (electron capture)	100%

⁸⁹Zr

Masas skaitlis	89
neutron number	49
Relative Atomic Mass	88,908879751 ± 0,000002983 Da
g-factor	-0,23222222222222 ± 0,0013333333333333
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	78,36 ± 0,023 h
spins	9/2
nuclear quadrupole moment	0,28 ± 0,1
atklāšanas datums	1948
parity	+

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

⁹⁰Zr

Masas skaitlis	90
neutron number	50
Relative Atomic Mass	89,904698755 ± 0,000000126 Da
g-factor	0
natural abundance	51,45 ± 0,04
radioaktivitāte	stable isotope
Pussabrukšanas periods	Not Radioactive ☢️
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1924
parity	+

⁹¹Zr

Masas skaitlis	91
neutron number	51
Relative Atomic Mass	90,905640205 ± 0,000000101 Da
g-factor
natural abundance	11,22 ± 0,05
radioaktivitāte	stable isotope
Pussabrukšanas periods	Not Radioactive ☢️
spins	5/2
nuclear quadrupole moment	-0,176 ± 0,003
atklāšanas datums	1934
parity	+

⁹²Zr

Masas skaitlis	92
neutron number	52
Relative Atomic Mass	91,905035336 ± 0,000000101 Da
g-factor	0
natural abundance	17,15 ± 0,03
radioaktivitāte	stable isotope
Pussabrukšanas periods	Not Radioactive ☢️
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1924
parity	+

⁹³Zr

Masas skaitlis	93
neutron number	53
Relative Atomic Mass	92,906470661 ± 0,000000489 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	1,61 ± 0,05 My
spins	5/2
nuclear quadrupole moment
atklāšanas datums	1950
parity	+

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

⁹⁴Zr

Masas skaitlis	94
neutron number	54
Relative Atomic Mass	93,906312523 ± 0,000000175 Da
g-factor	0
natural abundance	17,38 ± 0,04
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1924
parity	+

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

⁹⁵Zr

Masas skaitlis	95
neutron number	55
Relative Atomic Mass	94,908040276 ± 0,000000933 Da
g-factor	0,452 ± 0,008
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	64,032 ± 0,006 d
spins	5/2
nuclear quadrupole moment	0,22 ± 0,02
atklāšanas datums	1946
parity	+

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

⁹⁶Zr

Masas skaitlis	96
neutron number	56
Relative Atomic Mass	95,908277615 ± 0,000000122 Da
g-factor	0
natural abundance	2,8 ± 0,02
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	23,4 ± 1,7 Ey
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1934
parity	+

decay mode	intensity
2β⁻ (double β⁻ decay)	100%

⁹⁷Zr

Masas skaitlis	97
neutron number	57
Relative Atomic Mass	96,910963802 ± 0,00000013 Da
g-factor	-1,872 ± 0,01
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	16,749 ± 0,008 h
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1951
parity	+

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

⁹⁸Zr

Masas skaitlis	98
neutron number	58
Relative Atomic Mass	97,912740448 ± 0,000009065 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	30,7 ± 0,4 s
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1967
parity	+

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

⁹⁹Zr

Masas skaitlis	99
neutron number	59
Relative Atomic Mass	98,916675081 ± 0,000011271 Da
g-factor	-1,858 ± 0,008
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	2,1 ± 0,1 s
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1970
parity	+

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

¹⁰⁰Zr

Masas skaitlis	100
neutron number	60
Relative Atomic Mass	99,918010499 ± 0,000008742 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	7,1 ± 0,4 s
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1970
parity	+

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

¹⁰¹Zr

Masas skaitlis	101
neutron number	61
Relative Atomic Mass	100,921458454 ± 0,000008944 Da
g-factor	-0,18133333333333 ± 0,0053333333333333
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	2,29 ± 0,08 s
spins	3/2
nuclear quadrupole moment	0,81 ± 0,06
atklāšanas datums	1972
parity	+

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

¹⁰²Zr

Masas skaitlis	102
neutron number	62
Relative Atomic Mass	101,923154181 ± 0,000009401 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	2,01 ± 0,08 s
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1970
parity	+

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

¹⁰³Zr

Masas skaitlis	103
neutron number	63
Relative Atomic Mass	102,927204054 ± 0,0000099 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	1,38 ± 0,07 s
spins	5/2
nuclear quadrupole moment
atklāšanas datums	1987
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1%

¹⁰⁴Zr

Masas skaitlis	104
neutron number	64
Relative Atomic Mass	103,929449193 ± 0,00001 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	920 ± 28 ms
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1990
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1%

¹⁰⁵Zr

Masas skaitlis	105
neutron number	65
Relative Atomic Mass	104,934021832 ± 0,000013 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	670 ± 28 ms
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1992
parity	+

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

¹⁰⁶Zr

Masas skaitlis	106
neutron number	66
Relative Atomic Mass	105,93693 ± 0,000215 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	179 ± 6 ms
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1994
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	7%

¹⁰⁷Zr

Masas skaitlis	107
neutron number	67
Relative Atomic Mass	106,942007 ± 0,000322 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	145,7 ± 2,4 ms
spins	5/2
nuclear quadrupole moment
atklāšanas datums	1994
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	23%

¹⁰⁸Zr

Masas skaitlis	108
neutron number	68
Relative Atomic Mass	107,945303 ± 0,000429 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	78,5 ± 2 ms
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1997
parity	+

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

¹⁰⁹Zr

Masas skaitlis	109
neutron number	69
Relative Atomic Mass	108,950907 ± 0,000537 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	56 ± 3 ms
spins	5/2
nuclear quadrupole moment
atklāšanas datums	1997
parity	+

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

¹¹⁰Zr

Masas skaitlis	110
neutron number	70
Relative Atomic Mass	109,954675 ± 0,000537 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	37,5 ± 2 ms
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1997
parity	+

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

¹¹¹Zr

Masas skaitlis	111
neutron number	71
Relative Atomic Mass	110,960837 ± 0,000644 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	24 ± 0,5 ms
spins	5/2
nuclear quadrupole moment
atklāšanas datums	2010
parity	+

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

¹¹²Zr

Masas skaitlis	112
neutron number	72
Relative Atomic Mass	111,965196 ± 0,000751 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	43 ± 21 ms
spins	0
nuclear quadrupole moment	0
atklāšanas datums	2010
parity	+

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

¹¹³Zr

Masas skaitlis	113
neutron number	73
Relative Atomic Mass	112,971723 ± 0,000322 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	3/2
nuclear quadrupole moment
atklāšanas datums	2018
parity	+

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

vēsture

atklājējs vai izgudrotājs	Martin Klaproth
atraduma atrašanās vieta	Germany
atklāšanas datums	1789
Etimoloģija	From the mineral, zircon.
izruna	zer-KO-ni-em (angļu)

avots

Abundance
Abundance in Earth's crust	165 mg/kg
natural abundance (okeāns)	0,00003 mg/L
natural abundance (cilvēka ķermenis)	0,000005 %
natural abundance (meteoroīds)	0,00066 %
natural abundance (Saule)	0,000004 %
Abundance in Universe	0,000005 %

Nuclear Screening Constants

1	s	0.841
2	p	4.0072
2	s	10.6262
3	d	14.4331
3	p	16.1545
3	s	15.6385
4	d	26.9284
4	p	26.54
4	s	25.0984
5	s	33.5545

Cirkonijs on ChemicalAid

AAT ID	300380041
Austrālijas Izglītības vārdnīcas identifikators	scot/3602
BNCF	20970
BNF kods	119820825
Brockhaus Enzyklopädie online ID	zirkonium
CAB ID	281356
CAS reģistrācijas numurs	7440-67-7
CPV Supplementary	AA18
ChEBI ID	33342
ChemSpider ID	22431
Common Procurement Vocabulary	14735000
DSSTOX compound identifier	DTXCID4029777
DSSTox identifikators	DTXSID0049818
DeCS ID	15435
Den Store Danske ID	zirconium
Den Store Danske ID	zirkonium
ECHA Substance Infocard ID	100.028.342
Elhuyar ZTH ID	032289
Encyclopedia of China (Third Edition) ID	190946
Encyclopædia Britannica tiešsaistes ID	science/zirconium
Encyclopædia Universalis ID	zirconium-et-hafnium
Freebase identifikators	/m/025sqzx
French Vikidia ID	Zirconium
GND identifikators	4190943-4
HCIS ID	4745
HSDB ID	2528
Human Metabolome Database ID	HMDB0001475
ICSC ID	1405
IEDB Epitope ID	114077
InChI	InChI=1S/Zr
InChIKey	QCWXUUIWCKQGHC-UHFFFAOYSA-N
KBpedia ID	Zirconium
Katalāņu Lielās enciklopēdijas kods	0152112
Krievijas Lielās enciklopēdijas tiešsaistes kods	4677871
LCCN identifikators	sh85149899
MeSH ID	D015040
NDL identifikators	00574852
NE.se ID	zr
NKC identifikators	ph675049
National Library of Israel J9U ID	987007534255505171
OmegaWiki definētā nozīme	371224
OpenAlex ID	C534791751
PSH ID	5761
PubChem ID (CID)	23995
RxNorm ID	1534771
ScienceDirect topic ID	engineering/zirconium-zr
ScienceDirect topic ID	chemical-engineering/zirconium
Store norske leksikon ID	zirkonium
Treccani ID	zirconio
UNII	C6V6S92N3C
USGS Thesaurus ID	1619
WordNet 3.1 Synset ID	14686460-n
YSO ID	13893
ZVG number	7400
ZVG number	520040

Cirkonijs (Zr)

Fizikāla Īpašība

Chemical Property

other

Isotopes of Zirconium

77Zr

78Zr

79Zr

80Zr

81Zr

82Zr

83Zr

84Zr

85Zr

86Zr

87Zr

88Zr

89Zr

90Zr

91Zr

92Zr

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Nuclear Screening Constants

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