Kaltzioa

Kaltzioa (Ca)

20 zenbaki atomikoa duen elementu kimikoa
Atomic Number20
Atomic Weight40.078
masa-zenbaki40
Group2
Period4
Blocks
protoi20 p+
neutroi20 n0
elektroi20 e-
Animated Bohrren eredu atomikoa of Ca (Kaltzioa)

Propietate Fisiko

Erradio Atomiko
180 pm
bolumen molar
Erradio Kobalente
171 pm
Metallic Radius
174 pm
Erradio ioniko
100 pm
Crystal Radius
114 pm
Van der Waalsen erradio
231 pm
dentsitatea
1,54 g/cm³
Atomic Radii Of The Elements: Kaltzioa0102030405060708090100110120130140150160170180190200210220230240pmErradio AtomikoErradio KobalenteMetallic RadiusVan der Waalsen erradio

Magnitude Fisiko

energia
proton affinity
Afinitate elektroniko
0,02455 eV/particle
ionizazio energia
6,1131552 eV/particle
ionizazio energia of Ca (Kaltzioa)
Irakite-entalpia
153,6 kJ/mol
urtze-entalpia
9,2 kJ/mol
formazio entalpia estandarra
177,8 kJ/mol
elektroi
elektroi geruza2, 8, 8, 2
Bohrren eredu atomikoa: Ca (Kaltzioa)
balentzia-elektroi2
Lewis egitura: Ca (Kaltzioa)
electron configuration[Ar] 4s2
1s2 2s2 2p6 3s2 3p6 4s2
Enhanced Bohrren eredu atomikoa of Ca (Kaltzioa)
Orbital Diagram of Ca (Kaltzioa)
Oxidazio-egoera1, 2
Elektronegatibotasun
1
Electrophilicity Index
0,7734001442996138 eV/particle
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
1.757,15 K
Melting Point
1.115,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore
Silver
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
typeConductor
Eroankortasun elektriko
29 MS/m
Erresistibitate elektriko
0,00000003399999999999 m Ω
Supereroankortasun
Magnetismo
typeparamagnetic
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 StructureFace Centered Cubic (FCC)
lattice constant
5,58 Å
Lattice Anglesπ/2, π/2, π/2
materialen propietate mekaniko
Gogortasun
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
CategoryAlkaline earth metals, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number16
Mendeleev Number7
Pettifor Number16
Geochemical Classmajor
Goldschmidt classificationlitophile

beste batzuk

Gas Basicity
polarizability
160,8 ± 4 a₀
C6 Dispersion Coefficient
2.163 a₀
allotrope
Neutron cross section
0,43
Neutron Mass Absorption
0,00037
zenbaki kuantiko1S0
talde espazial225 (Fm_3m)

Isotopes of Calcium

Stable Isotopes3
Unstable Isotopes26
Natural Isotopes6
Isotopic Composition4096.94%4096.94%442.09%442.09%420.65%420.65%430.14%430.14%460.00%460.00%480.19%480.19%

33Ca

masa-zenbaki33
neutron number13
atomo-masa erlatibo
33,033312 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin5/2
nuclear quadrupole moment
aurkikuntza-data
parity+

decay modeintensity
p (proton emission)

34Ca

masa-zenbaki34
neutron number14
atomo-masa erlatibo
34,015985 ± 0,000322 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data
parity+

decay modeintensity
2p (2-proton emission)

35Ca

masa-zenbaki35
neutron number15
atomo-masa erlatibo
35,005572 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
25,7 ± 0,2 ms
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1985
parity+

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

36Ca

masa-zenbaki36
neutron number16
atomo-masa erlatibo
35,993074388 ± 0,000042941 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
100,9 ± 1,3 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1977
parity+

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

37Ca

masa-zenbaki37
neutron number17
atomo-masa erlatibo
36,985897849 ± 0,00000068 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
181 ± 0,9 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data1964
parity+

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

38Ca

masa-zenbaki38
neutron number18
atomo-masa erlatibo
37,976319223 ± 0,000000208 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
443,7 ± 0,25 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1966
parity+

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

39Ca

masa-zenbaki39
neutron number19
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
spin3/2
nuclear quadrupole moment
0,038 ± 0,003
aurkikuntza-data1943
parity+

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

40Ca

masa-zenbaki40
neutron number20
atomo-masa erlatibo
39,96259085 ± 0,000000022 Da
g-factor
0
natural abundance
96,941 ± 0,156
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1922
parity+

decay modeintensity
+ (double β+ decay)

41Ca

masa-zenbaki41
neutron number21
atomo-masa erlatibo
40,962277905 ± 0,000000147 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
99,4 ± 1,5 ky
spin7/2
nuclear quadrupole moment
−0,0665 ± 0,0018
aurkikuntza-data1939
parity-

decay modeintensity
ϵ (electron capture)100%

42Ca

masa-zenbaki42
neutron number22
atomo-masa erlatibo
41,95861778 ± 0,000000159 Da
g-factor
0
natural abundance
0,647 ± 0,023
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1934
parity+

43Ca

masa-zenbaki43
neutron number23
atomo-masa erlatibo
42,958766381 ± 0,000000244 Da
g-factor
−0,37638 ± 0,000017142857142857
natural abundance
0,135 ± 0,01
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
−0,0408 ± 0,0008
aurkikuntza-data1934
parity-

44Ca

masa-zenbaki44
neutron number24
atomo-masa erlatibo
43,955481489 ± 0,000000348 Da
g-factor
0
natural abundance
2,086 ± 0,11
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1922
parity+

45Ca

masa-zenbaki45
neutron number25
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
spin7/2
nuclear quadrupole moment
0,038 ± 0,012
aurkikuntza-data1940
parity-

decay modeintensity
β (β decay)100%

46Ca

masa-zenbaki46
neutron number26
atomo-masa erlatibo
45,953687726 ± 0,000002398 Da
g-factor
0
natural abundance
0,004 ± 0,003
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1938
parity+

decay modeintensity
(double β decay)

47Ca

masa-zenbaki47
neutron number27
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
spin7/2
nuclear quadrupole moment
0,084 ± 0,006
aurkikuntza-data1951
parity-

decay modeintensity
β (β decay)100%

48Ca

masa-zenbaki48
neutron number28
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
spin0
nuclear quadrupole moment
0
aurkikuntza-data1938
parity+

decay modeintensity
(double β decay)
β (β decay)

49Ca

masa-zenbaki49
neutron number29
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
spin3/2
nuclear quadrupole moment
−0,036 ± 0,003
aurkikuntza-data1950
parity-

decay modeintensity
β (β decay)100%

50Ca

masa-zenbaki50
neutron number30
atomo-masa erlatibo
49,957499215 ± 0,0000017 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
13,45 ± 0,05 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1964
parity+

decay modeintensity
β (β decay)100%

51Ca

masa-zenbaki51
neutron number31
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
spin3/2
nuclear quadrupole moment
0,036 ± 0,012
aurkikuntza-data1980
parity-

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

52Ca

masa-zenbaki52
neutron number32
atomo-masa erlatibo
51,963213646 ± 0,00000072 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,6 ± 0,3 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1985
parity+

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

53Ca

masa-zenbaki53
neutron number33
atomo-masa erlatibo
52,968451 ± 0,000047 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
461 ± 90 ms
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1983
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)40%

54Ca

masa-zenbaki54
neutron number34
atomo-masa erlatibo
53,972989 ± 0,000052 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
90 ± 6 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1997
parity+

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

55Ca

masa-zenbaki55
neutron number35
atomo-masa erlatibo
54,979978 ± 0,000172 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
22 ± 2 ms
spin5/2
nuclear quadrupole moment
aurkikuntza-data1997
parity-

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

56Ca

masa-zenbaki56
neutron number36
atomo-masa erlatibo
55,985496 ± 0,000268 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
11 ± 2 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1997
parity+

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

57Ca

masa-zenbaki57
neutron number37
atomo-masa erlatibo
56,992958 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin5/2
nuclear quadrupole moment
aurkikuntza-data2009
parity-

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

58Ca

masa-zenbaki58
neutron number38
atomo-masa erlatibo
57,998357 ± 0,000537 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data2009
parity+

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

59Ca

masa-zenbaki59
neutron number39
atomo-masa erlatibo
59,006237 ± 0,000644 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin5/2
nuclear quadrupole moment
aurkikuntza-data2018
parity-

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

60Ca

masa-zenbaki60
neutron number40
atomo-masa erlatibo
60,011809 ± 0,000751 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data2018
parity+

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

61Ca

masa-zenbaki61
neutron number41
atomo-masa erlatibo
61,020408 ± 0,000859 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Calcium 1

historia

aurkitzailea edo asmatzaileaSir Humphrey Davy
aurkikuntzaren lekuaEngland
aurkikuntza-data1808
etimologiaLatin: calx, calcis (lime).
pronunciationKAL-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

1s0.527
2p3.9586
2s6.2236
3p11.3417
3s10.3985
4s15.602