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- |
Erradio Atomiko | |
---|---|
bolumen molar | |
Erradio Kobalente | |
Metallic Radius | |
Erradio ioniko | |
Crystal Radius | |
Van der Waalsen erradio | |
dentsitatea |
energia | |
---|---|
proton affinity | |
Afinitate elektroniko | |
ionizazio energia | |
Irakite-entalpia | |
urtze-entalpia | |
formazio entalpia estandarra | |
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 | 1
|
Electrophilicity Index | |
materiaren funtsezko egoera | |
materiaren egoera | Solid |
materiaren egoera gaseoso | |
Boiling Point | |
Melting Point | |
critical pressure | |
critical temperature | |
Puntu hirukoitz | |
appearance | |
kolore | Silver
|
appearance | |
errefrakzio-indize | |
thermodynamic material property | |
Thermal Conductivity | |
Bero-dilatazio | |
molar heat capacity | |
Specific Heat Capacity | |
indize adiabatiko | |
electrical properties | |
type | Conductor |
Eroankortasun elektriko | |
Erresistibitate elektriko | |
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 | Face Centered Cubic (FCC) |
lattice constant | |
Lattice Angles | π/2, π/2, π/2 |
materialen propietate mekaniko | |
Gogortasun | |
konprimagarritasun-modulu | |
Zizaila modulua | |
Youngen modulu | |
Poissonen modulu | 0,31
|
Soinuaren lastertasun | |
classification | |
Category | Alkaline earth metals, Alkaline earth metals |
CAS Group | IIA |
IUPAC Group | IIA |
Glawe Number | 16 |
Mendeleev Number | 7 |
Pettifor Number | 16 |
Geochemical Class | major |
Goldschmidt classification | litophile |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Neutron cross section | 0,43
|
Neutron Mass Absorption | 0,00037
|
zenbaki kuantiko | 1S0 |
talde espazial | 225 (Fm_3m) |
Stable Isotopes | 3 |
---|---|
Unstable Isotopes | 26 |
Natural Isotopes | 6 |
masa-zenbaki | 33 |
---|---|
neutron number | 13 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 34 |
---|---|
neutron number | 14 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 35 |
---|---|
neutron number | 15 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 36 |
---|---|
neutron number | 16 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 37 |
---|---|
neutron number | 17 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 38 |
---|---|
neutron number | 18 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 39 |
---|---|
neutron number | 19 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 40 |
---|---|
neutron number | 20 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 41 |
---|---|
neutron number | 21 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 42 |
---|---|
neutron number | 22 |
Atomo-Masa Erlatibo | |
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 | + |
masa-zenbaki | 43 |
---|---|
neutron number | 23 |
Atomo-Masa Erlatibo | |
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 | - |
masa-zenbaki | 44 |
---|---|
neutron number | 24 |
Atomo-Masa Erlatibo | |
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 | + |
masa-zenbaki | 45 |
---|---|
neutron number | 25 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 46 |
---|---|
neutron number | 26 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 47 |
---|---|
neutron number | 27 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 48 |
---|---|
neutron number | 28 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 49 |
---|---|
neutron number | 29 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 50 |
---|---|
neutron number | 30 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 51 |
---|---|
neutron number | 31 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 52 |
---|---|
neutron number | 32 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 53 |
---|---|
neutron number | 33 |
Atomo-Masa Erlatibo | |
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% |
masa-zenbaki | 54 |
---|---|
neutron number | 34 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 55 |
---|---|
neutron number | 35 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 56 |
---|---|
neutron number | 36 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 57 |
---|---|
neutron number | 37 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 58 |
---|---|
neutron number | 38 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 59 |
---|---|
neutron number | 39 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 60 |
---|---|
neutron number | 40 |
Atomo-Masa Erlatibo | |
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) |
masa-zenbaki | 61 |
---|---|
neutron number | 41 |
Atomo-Masa Erlatibo | |
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) |
aurkitzailea edo asmatzailea | Sir Humphrey Davy |
---|---|
aurkikuntzaren lekua | England |
aurkikuntza-data | 1808 |
etimologia | Latin: calx, calcis (lime). |
pronunciation | KAL-si-em (ingelesa) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (ozeano) | |
natural abundance (gizakiaren gorputza) | 1,4 %
|
natural abundance (Meteoroide) | 1,1 %
|
natural abundance (Eguzkia) | 0,007 %
|
Abundance in Universe | 0,007 %
|
1 | s | 0.527 |
2 | p | 3.9586 |
2 | s | 6.2236 |
3 | p | 11.3417 |
3 | s | 10.3985 |
4 | s | 15.602 |