Atomic Number | 12 |
---|---|
Atomic Weight | 24.305 |
masa-zenbaki | 24 |
Group | 2 |
---|---|
Period | 3 |
Block | s |
protoi | 12 p+ |
---|---|
neutroi | 12 n0 |
elektroi | 12 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, 2 |
balentzia-elektroi | 2 ⓘ |
electron configuration | [Ne] 3s2ⓘ 1s2 2s2 2p6 3s2 |
Oxidazio-egoera | 0, 1, 2 |
Elektronegatibotasun | 1.31
|
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 | shiny grey solid |
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) | 0,0000000069 m³/Kg
|
suszeptibilitate magnetiko (Molar) | 0,000000000168 m³/mol
|
suszeptibilitate magnetiko (Volume) | 0,000012
|
magnetic ordering | |
Curieren tenperatura | |
Néel temperature | |
egitura | |
Crystal Structure | Simple Hexagonal (HEX) |
lattice constant | |
Lattice Angles | π/2, π/2, 2 π/3 |
materialen propietate mekaniko | |
Gogortasun | |
konprimagarritasun-modulu | |
Zizaila modulua | |
Youngen modulu | |
Poissonen modulu | 0,29
|
Soinuaren lastertasun | |
classification | |
Category | Alkaline earth metals, Alkaline earth metals |
CAS Group | IIA |
IUPAC Group | IIA |
Glawe Number | 73 |
Mendeleev Number | 76 |
Pettifor Number | 73 |
Geochemical Class | major |
Goldschmidt classification | litophile |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Neutron cross section | 0,063
|
Neutron Mass Absorption | 0,0001
|
zenbaki kuantiko | 1S0 |
talde espazial | 194 (P63/mmc) |
Stable Isotopes | 3 |
---|---|
Unstable Isotopes | 20 |
Natural Isotopes | 3 |
masa-zenbaki | 19 |
---|---|
neutron number | 7 |
Atomo-Masa Erlatibo | |
g-factor | |
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 5 ± 3 ps
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 2007 |
parity | - |
decay mode | intensity |
---|---|
2p (2-proton emission) | 100% |
masa-zenbaki | 20 |
---|---|
neutron number | 8 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 90,4 ± 0,5 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1974 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 30.3% |
masa-zenbaki | 21 |
---|---|
neutron number | 9 |
Atomo-Masa Erlatibo | |
g-factor | −0,3932 ± 0,0028
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 120 ± 0,4 ms
|
spin | 5/2 |
nuclear quadrupole moment | |
aurkikuntza-data | 1963 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 20.1% |
β+α (β+-delayed α emission) | 0.116% |
B+pA | 0.016% |
masa-zenbaki | 22 |
---|---|
neutron number | 10 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 3,8745 ± 0,0007 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1961 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
masa-zenbaki | 23 |
---|---|
neutron number | 11 |
Atomo-Masa Erlatibo | |
g-factor | −0,35753333333333 ± 0,0002
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 11,3039 ± 0,0032 s
|
spin | 3/2 |
nuclear quadrupole moment | 0,114 ± 0,003
|
aurkikuntza-data | 1939 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
masa-zenbaki | 24 |
---|---|
neutron number | 12 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | 78,965 ± 0,049
|
desintegrazio erradioaktibo | isotopo egonkor |
Semidesintegrazio-periodo | Not Radioactive ☢️ |
spin | 0 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1920 |
parity | + |
masa-zenbaki | 25 |
---|---|
neutron number | 13 |
Atomo-Masa Erlatibo | |
g-factor | −0,342132 ± 0,000012
|
natural abundance | 10,011 ± 0,013
|
desintegrazio erradioaktibo | isotopo egonkor |
Semidesintegrazio-periodo | Not Radioactive ☢️ |
spin | 5/2 |
nuclear quadrupole moment | 0,199 ± 0,002
|
aurkikuntza-data | 1920 |
parity | + |
masa-zenbaki | 26 |
---|---|
neutron number | 14 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | 11,025 ± 0,038
|
desintegrazio erradioaktibo | isotopo egonkor |
Semidesintegrazio-periodo | Not Radioactive ☢️ |
spin | 0 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1920 |
parity | + |
masa-zenbaki | 27 |
---|---|
neutron number | 15 |
Atomo-Masa Erlatibo | |
g-factor | −0,8212 ± 0,003
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 9,435 ± 0,027 m
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1934 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
masa-zenbaki | 28 |
---|---|
neutron number | 16 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 20,915 ± 0,009 h
|
spin | 0 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1953 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
masa-zenbaki | 29 |
---|---|
neutron number | 17 |
Atomo-Masa Erlatibo | |
g-factor | |
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 1,3 ± 0,12 s
|
spin | 3/2 |
nuclear quadrupole moment | −0,16 ± 0,04
|
aurkikuntza-data | 1971 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
masa-zenbaki | 30 |
---|---|
neutron number | 18 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 317 ± 4 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1971 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.06% |
masa-zenbaki | 31 |
---|---|
neutron number | 19 |
Atomo-Masa Erlatibo | |
g-factor | |
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 270 ± 2 ms
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1977 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 6.2% |
masa-zenbaki | 32 |
---|---|
neutron number | 20 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 80,4 ± 0,4 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1977 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 5.5% |
masa-zenbaki | 33 |
---|---|
neutron number | 21 |
Atomo-Masa Erlatibo | |
g-factor | |
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 92 ± 1,2 ms
|
spin | 3/2 |
nuclear quadrupole moment | 0,13 ± 0,09
|
aurkikuntza-data | 1979 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 14% |
2n (2-neutron emission) |
masa-zenbaki | 34 |
---|---|
neutron number | 22 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 44,9 ± 0,4 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1979 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 21% |
2n (2-neutron emission) | 0.1% |
masa-zenbaki | 35 |
---|---|
neutron number | 23 |
Atomo-Masa Erlatibo | |
g-factor | |
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 11,3 ± 0,6 ms
|
spin | 3/2 |
nuclear quadrupole moment | |
aurkikuntza-data | 1989 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 52% |
2n (2-neutron emission) |
masa-zenbaki | 36 |
---|---|
neutron number | 24 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 3,9 ± 1,3 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 1989 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 48% |
2n (2-neutron emission) |
masa-zenbaki | 37 |
---|---|
neutron number | 25 |
Atomo-Masa Erlatibo | |
g-factor | |
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | 8 ± 4 ms
|
spin | 3/2 |
nuclear quadrupole moment | |
aurkikuntza-data | 1996 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
masa-zenbaki | 38 |
---|---|
neutron number | 26 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | |
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 | 39 |
---|---|
neutron number | 27 |
Atomo-Masa Erlatibo | |
g-factor | |
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | |
spin | 7/2 |
nuclear quadrupole moment | |
aurkikuntza-data | |
parity | - |
decay mode | intensity |
---|---|
n (neutron emission) | |
β− (β− decay) |
masa-zenbaki | 40 |
---|---|
neutron number | 28 |
Atomo-Masa Erlatibo | |
g-factor | 0
|
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | |
spin | 0 |
nuclear quadrupole moment | 0
|
aurkikuntza-data | 2007 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
masa-zenbaki | 41 |
---|---|
neutron number | 29 |
Atomo-Masa Erlatibo | |
g-factor | |
natural abundance | |
desintegrazio erradioaktibo | ☢️ radioactive element |
Semidesintegrazio-periodo | |
spin | 3/2 |
nuclear quadrupole moment | |
aurkikuntza-data | |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) |
aurkitzailea edo asmatzailea | Sir Humphrey Davy |
---|---|
aurkikuntzaren lekua | England |
aurkikuntza-data | 1808 |
etimologia | From Magnesia ancient city in district of Thessaly, Greece. |
pronunciation | mag-NEE-zih-em (ingelesa) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (ozeano) | |
natural abundance (gizakiaren gorputza) | 0,027 %
|
natural abundance (Meteoroide) | 12 %
|
natural abundance (Eguzkia) | 0,07 %
|
Abundance in Universe | 0,06 %
|
1 | s | 0.3911 |
2 | p | 4.1742 |
2 | s | 4.608 |
3 | s | 8.6925 |