Kaltzioa (Ca)

20 zenbaki atomikoa duen elementu kimikoa

Atomic Number	20
Atomic Weight	40.078
masa-zenbaki	40

Group	2
Period	4
Block	s

protoi	20 p⁺
neutroi	20 n⁰
elektroi	20 e^-

Animated Bohrren eredu atomikoa of Ca (Kaltzioa)

Propietate Fisiko

Erradio Atomiko	180 pm 270 pm
bolumen molar	29,9 cm³/mol
Erradio Kobalente	171 pm 147 pm 133 pm 170 pm 176 pm
Metallic Radius	174 pm 197 pm
Erradio ioniko	100 pm 106 pm 112 pm 118 pm 123 pm 134 pm
Crystal Radius	114 pm 120 pm 126 pm 132 pm 137 pm 148 pm
Van der Waalsen erradio	240 pm 231 pm 281 pm 231 pm 339,9 pm
dentsitatea	1,54 g/cm³ 1.378 kg/m³

Magnitude Fisiko

{ERROR}

energia

proton affinity
Afinitate elektroniko	0,02455 eV/particle
ionizazio energia	6,1131552 eV/particle 11,871718 eV/particle 50,91315 eV/particle 67,2732 eV/particle 84,338 eV/particle 108,78 eV/particle 127,2 eV/particle 147,24 eV/particle 188,535 eV/particle 211,2751 eV/particle 591,6 eV/particle 658,24 eV/particle 728,6 eV/particle 817,22 eV/particle 893,98 eV/particle 973,7 eV/particle 1.086,8 eV/particle 1.157,726 eV/particle 5.128,8576 eV/particle 5.469,8614 eV/particle

Irakite-entalpia	153,6 kJ/mol
urtze-entalpia	9,2 kJ/mol
formazio entalpia estandarra	177,8 kJ/mol
elektroi

elektroi geruza	2, 8, 8, 2

balentzia-elektroi	2 ⓘ

electron configuration	[Ar] 4s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²

Oxidazio-egoera	1, 2
Elektronegatibotasun	6,113 eV/particle 0.1154119 1
Electrophilicity Index	0,7734001442996138 eV/particle
materiaren funtsezko egoera

materiaren egoera
materiaren egoera gaseoso
Boiling Point	1.757,15 K
Melting Point	1.115,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore	Black #808090 #3dff00 #3dff00
appearance
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
Bero-dilatazio	0,0000223 1/K
molar heat capacity	25,929 J/(mol K)
Specific Heat Capacity	0,647 J/(g⋅K)
indize adiabatiko
electrical properties
type	Conductor
Eroankortasun elektriko	29 MS/m
Erresistibitate elektriko	0,00000003399999999999 Ω*m
Supereroankortasun
Magnetismo
type	paramagnetic
suszeptibilitate magnetiko (Mass)	0,0000000138 m³/Kg
suszeptibilitate magnetiko (Molar)	0,0000000005531 m³/mol
suszeptibilitate magnetiko (Volume)	0,00002139
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal Structure	{ERROR}
lattice constant	5,58 Å
Lattice Angles	π/2, π/2, π/2
materialen propietate mekaniko
Gogortasun	167 MPa 1,75 MPa
konprimagarritasun-modulu	17 GPa
Zizaila modulua	7,4 GPa
Youngen modulu	20 GPa
Poissonen modulu	0,31
Soinuaren lastertasun	3.810 m/s
classification
Category	Actinides, Alkaline earth metals
CAS Group	IIA
IUPAC Group	IIA
Glawe Number	16
Mendeleev Number	7
Pettifor Number	16
Geochemical Class	major
Goldschmidt classification	litophile

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Gas Basicity
polarizability	160,8 ± 4 a₀
C6 Dispersion Coefficient	2.163 a₀ 2.230 a₀
allotrope
Neutron cross section	0,43
Neutron Mass Absorption	0,00037
zenbaki kuantiko	1S0
talde espazial	225 (Fm_3m)

Isotopes of Calcium

Stable Isotopes	3
Unstable Isotopes	26
Natural Isotopes	6

³³Ca

masa-zenbaki	33
neutron number	13
Atomo-Masa Erlatibo	33,033312 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	5/2
nuclear quadrupole moment
aurkikuntza-data
parity	+

decay mode	intensity
p (proton emission)

³⁴Ca

masa-zenbaki	34
neutron number	14
Atomo-Masa Erlatibo	34,015985 ± 0,000322 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	0
nuclear quadrupole moment	0
aurkikuntza-data
parity	+

decay mode	intensity
2p (2-proton emission)

³⁵Ca

masa-zenbaki	35
neutron number	15
Atomo-Masa Erlatibo	35,005572 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	25,7 ± 0,2 ms
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1985
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	95.8%
2p (2-proton emission)	4.2%

³⁶Ca

masa-zenbaki	36
neutron number	16
Atomo-Masa Erlatibo	35,993074388 ± 0,000042941 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	100,9 ± 1,3 ms
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1977
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	51.2%

³⁷Ca

masa-zenbaki	37
neutron number	17
Atomo-Masa Erlatibo	36,985897849 ± 0,00000068 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	181 ± 0,9 ms
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1964
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	76.8%

³⁸Ca

masa-zenbaki	38
neutron number	18
Atomo-Masa Erlatibo	37,976319223 ± 0,000000208 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	443,7 ± 0,25 ms
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1966
parity	+

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

³⁹Ca

masa-zenbaki	39
neutron number	19
Atomo-Masa Erlatibo	38,970710811 ± 0,00000064 Da
g-factor	0,68093333333333 ± 0,00010666666666667
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	860,3 ± 0,8 ms
spin	3/2
nuclear quadrupole moment	0,038 ± 0,003
aurkikuntza-data	1943
parity	+

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

⁴⁰Ca

masa-zenbaki	40
neutron number	20
Atomo-Masa Erlatibo	39,96259085 ± 0,000000022 Da
g-factor	0
natural abundance	96,941 ± 0,156
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1922
parity	+

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

⁴¹Ca

masa-zenbaki	41
neutron number	21
Atomo-Masa Erlatibo	40,962277905 ± 0,000000147 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	99,4 ± 1,5 ky
spin	7/2
nuclear quadrupole moment	−0,0665 ± 0,0018
aurkikuntza-data	1939
parity	-

decay mode	intensity
ϵ (electron capture)	100%

⁴²Ca

masa-zenbaki	42
neutron number	22
Atomo-Masa Erlatibo	41,95861778 ± 0,000000159 Da
g-factor	0
natural abundance	0,647 ± 0,023
desintegrazio erradioaktibo	isotopo egonkor
Semidesintegrazio-periodo	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1934
parity	+

⁴³Ca

masa-zenbaki	43
neutron number	23
Atomo-Masa Erlatibo	42,958766381 ± 0,000000244 Da
g-factor	−0,37638 ± 0,000017142857142857
natural abundance	0,135 ± 0,01
desintegrazio erradioaktibo	isotopo egonkor
Semidesintegrazio-periodo	Not Radioactive ☢️
spin	7/2
nuclear quadrupole moment	−0,0408 ± 0,0008
aurkikuntza-data	1934
parity	-

⁴⁴Ca

masa-zenbaki	44
neutron number	24
Atomo-Masa Erlatibo	43,955481489 ± 0,000000348 Da
g-factor	0
natural abundance	2,086 ± 0,11
desintegrazio erradioaktibo	isotopo egonkor
Semidesintegrazio-periodo	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1922
parity	+

⁴⁵Ca

masa-zenbaki	45
neutron number	25
Atomo-Masa Erlatibo	44,95618627 ± 0,000000392 Da
g-factor	−0,37897142857143 ± 0,00037142857142857
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	162,61 ± 0,09 d
spin	7/2
nuclear quadrupole moment	0,038 ± 0,012
aurkikuntza-data	1940
parity	-

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

⁴⁶Ca

masa-zenbaki	46
neutron number	26
Atomo-Masa Erlatibo	45,953687726 ± 0,000002398 Da
g-factor	0
natural abundance	0,004 ± 0,003
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1938
parity	+

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

⁴⁷Ca

masa-zenbaki	47
neutron number	27
Atomo-Masa Erlatibo	46,954541134 ± 0,000002384 Da
g-factor	−0,40182857142857 ± 0,00031428571428571
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	4,536 ± 0,003 d
spin	7/2
nuclear quadrupole moment	0,084 ± 0,006
aurkikuntza-data	1951
parity	-

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

⁴⁸Ca

masa-zenbaki	48
neutron number	28
Atomo-Masa Erlatibo	47,952522654 ± 0,000000018 Da
g-factor	0
natural abundance	0,187 ± 0,021
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	56 ± 10 Ey
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1938
parity	+

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

⁴⁹Ca

masa-zenbaki	49
neutron number	29
Atomo-Masa Erlatibo	48,955662625 ± 0,00000019 Da
g-factor	−0,91993333333333 ± 0,00053333333333333
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	8,718 ± 0,006 m
spin	3/2
nuclear quadrupole moment	−0,036 ± 0,003
aurkikuntza-data	1950
parity	-

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

⁵⁰Ca

masa-zenbaki	50
neutron number	30
Atomo-Masa Erlatibo	49,957499215 ± 0,0000017 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	13,45 ± 0,05 s
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1964
parity	+

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

⁵¹Ca

masa-zenbaki	51
neutron number	31
Atomo-Masa Erlatibo	50,960995663 ± 0,00000056 Da
g-factor	−0,69973333333333 ± 0,00073333333333333
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	10 ± 0,8 s
spin	3/2
nuclear quadrupole moment	0,036 ± 0,012
aurkikuntza-data	1980
parity	-

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

⁵²Ca

masa-zenbaki	52
neutron number	32
Atomo-Masa Erlatibo	51,963213646 ± 0,00000072 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	4,6 ± 0,3 s
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1985
parity	+

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

⁵³Ca

masa-zenbaki	53
neutron number	33
Atomo-Masa Erlatibo	52,968451 ± 0,000047 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	461 ± 90 ms
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1983
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	40%

⁵⁴Ca

masa-zenbaki	54
neutron number	34
Atomo-Masa Erlatibo	53,972989 ± 0,000052 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	90 ± 6 ms
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1997
parity	+

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

⁵⁵Ca

masa-zenbaki	55
neutron number	35
Atomo-Masa Erlatibo	54,979978 ± 0,000172 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	22 ± 2 ms
spin	5/2
nuclear quadrupole moment
aurkikuntza-data	1997
parity	-

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

⁵⁶Ca

masa-zenbaki	56
neutron number	36
Atomo-Masa Erlatibo	55,985496 ± 0,000268 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	11 ± 2 ms
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1997
parity	+

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

⁵⁷Ca

masa-zenbaki	57
neutron number	37
Atomo-Masa Erlatibo	56,992958 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	5/2
nuclear quadrupole moment
aurkikuntza-data	2009
parity	-

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

⁵⁸Ca

masa-zenbaki	58
neutron number	38
Atomo-Masa Erlatibo	57,998357 ± 0,000537 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	2009
parity	+

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

⁵⁹Ca

masa-zenbaki	59
neutron number	39
Atomo-Masa Erlatibo	59,006237 ± 0,000644 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	5/2
nuclear quadrupole moment
aurkikuntza-data	2018
parity	-

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

⁶⁰Ca

masa-zenbaki	60
neutron number	40
Atomo-Masa Erlatibo	60,011809 ± 0,000751 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	2018
parity	+

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

⁶¹Ca

masa-zenbaki	61
neutron number	41
Atomo-Masa Erlatibo	61,020408 ± 0,000859 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data
parity	-

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

historia

aurkitzailea edo asmatzailea	Sir Humphrey Davy
aurkikuntzaren lekua	England
aurkikuntza-data	1808
etimologia	Latin: calx, calcis (lime).
pronunciation	KAL-si-em (ingelesa)

source

Abundance
Abundance in Earth's crust	41.500 mg/kg
natural abundance (ozeano)	412 mg/L
natural abundance (gizakiaren gorputza)	1,4 %
natural abundance (Meteoroide)	1,1 %
natural abundance (Eguzkia)	0,007 %
Abundance in Universe	0,007 %

Nuclear Screening Constants

1	s	0.527
2	p	3.9586
2	s	6.2236
3	p	11.3417
3	s	10.3985
4	s	15.602

Kaltzioa on ChemicalAid

Kaltzioa (Ca)

Propietate Fisiko

Magnitude Fisiko

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Isotopes of Calcium

33Ca

34Ca

35Ca

36Ca

37Ca

38Ca

39Ca

40Ca

41Ca

42Ca

43Ca

44Ca

45Ca

46Ca

47Ca

48Ca

49Ca

50Ca

51Ca

52Ca

53Ca

54Ca

55Ca

56Ca

57Ca

58Ca

59Ca

60Ca

61Ca

historia

source

Nuclear Screening Constants

³³Ca

³⁴Ca

³⁵Ca

³⁶Ca

³⁷Ca

³⁸Ca

³⁹Ca

⁴⁰Ca

⁴¹Ca

⁴²Ca

⁴³Ca

⁴⁴Ca

⁴⁵Ca

⁴⁶Ca

⁴⁷Ca

⁴⁸Ca

⁴⁹Ca

⁵⁰Ca

⁵¹Ca

⁵²Ca

⁵³Ca

⁵⁴Ca

⁵⁵Ca

⁵⁶Ca

⁵⁷Ca

⁵⁸Ca

⁵⁹Ca

⁶⁰Ca

⁶¹Ca