Atomic Number | 20 |
---|---|
Atomic Weight | 40.078 |
Maseni broj | 40 |
Group | 2 |
---|---|
Period | 4 |
Block | s |
Proton | 20 p+ |
---|---|
Neutron | 20 n0 |
Elektron | 20 e- |
Atomski Radijus | |
---|---|
Molarni volumen | |
covalent radius | |
Metallic Radius | |
Ionski radijus | |
Crystal Radius | |
Van der Waalsov radijus | |
gustoća |
energija | |
---|---|
proton affinity | |
electron affinity | |
ionization energy | |
Toplota isparavanja | |
toplota topljenja | |
standard enthalpy of formation | |
Elektron | |
electron shell | 2, 8, 8, 2 |
Valentni elektron | 2 ⓘ |
electron configuration | [Ar] 4s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 |
oksidacijsko stanje | 1, 2 |
Elektronegativnost | 1
|
Electrophilicity Index | |
fundamental state of matter | |
agregatno stanje | Solid |
gaseous state of matter | |
Boiling Point | |
Melting Point | |
critical pressure | |
Kritična temperatura | |
Trojna tačka | |
appearance | |
boja | Silver
|
appearance | |
Indeks prelamanja | |
thermodynamic material property | |
Thermal Conductivity | |
thermal expansion | |
molar heat capacity | |
Specific Heat Capacity | |
heat capacity ratio | |
electrical properties | |
type | Conductor |
Specifična električna provodljivost | |
electrical resistivity | |
Superprovodljivost | |
Magnetizam | |
type | paramagnetic |
magnetic susceptibility (Mass) | 0,0000000138 m³/Kg
|
magnetic susceptibility (Molar) | 0,0000000005531 m³/mol
|
magnetic susceptibility (Volume) | 0,00002139
|
magnetic ordering | |
Kirijeva tačka | |
Néel temperature | |
struktura | |
Crystal Structure | Face Centered Cubic (FCC) |
lattice constant | |
Lattice Angles | π/2, π/2, π/2 |
mechanical property | |
Tvrdoća | |
bulk modulus | |
shear modulus | |
Young's modulus | |
Poisson's ratio | 0,31
|
Brzina zvuka | |
klasifikacija | |
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
|
Kvantni brojevi | 1S0 |
space group | 225 (Fm_3m) |
Stable Isotopes | 3 |
---|---|
Unstable Isotopes | 26 |
Natural Isotopes | 6 |
Maseni broj | 33 |
---|---|
broj neutrona | 13 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | |
spin | 5/2 |
nuclear quadrupole moment | |
datum otkrića | |
parity | + |
decay mode | intensity |
---|---|
p (proton emission) |
Maseni broj | 34 |
---|---|
broj neutrona | 14 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | |
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | |
parity | + |
decay mode | intensity |
---|---|
2p (2-proton emission) |
Maseni broj | 35 |
---|---|
broj neutrona | 15 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 25,7 ± 0,2 ms
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
datum otkrića | 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% |
Maseni broj | 36 |
---|---|
broj neutrona | 16 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 100,9 ± 1,3 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1977 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 51.2% |
Maseni broj | 37 |
---|---|
broj neutrona | 17 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 181 ± 0,9 ms
|
spin | 3/2 |
nuclear quadrupole moment | |
datum otkrića | 1964 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 76.8% |
Maseni broj | 38 |
---|---|
broj neutrona | 18 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 443,7 ± 0,25 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1966 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Maseni broj | 39 |
---|---|
broj neutrona | 19 |
Relative Atomic Mass | |
g-factor | 0,68093333333333 ± 0,00010666666666667
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 860,3 ± 0,8 ms
|
spin | 3/2 |
nuclear quadrupole moment | 0,038 ± 0,003
|
datum otkrića | 1943 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Maseni broj | 40 |
---|---|
broj neutrona | 20 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 96,941 ± 0,156
|
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | |
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1922 |
parity | + |
decay mode | intensity |
---|---|
2β+ (double β+ decay) |
Maseni broj | 41 |
---|---|
broj neutrona | 21 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 99,4 ± 1,5 ky
|
spin | 7/2 |
nuclear quadrupole moment | -0,0665 ± 0,0018
|
datum otkrića | 1939 |
parity | - |
decay mode | intensity |
---|---|
ϵ (electron capture) | 100% |
Maseni broj | 42 |
---|---|
broj neutrona | 22 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 0,647 ± 0,023
|
Radioaktivnost | stable isotope |
Vrijeme poluraspada | Not Radioactive ☢️ |
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1934 |
parity | + |
Maseni broj | 43 |
---|---|
broj neutrona | 23 |
Relative Atomic Mass | |
g-factor | -0,37638 ± 0,000017142857142857
|
natural abundance | 0,135 ± 0,01
|
Radioaktivnost | stable isotope |
Vrijeme poluraspada | Not Radioactive ☢️ |
spin | 7/2 |
nuclear quadrupole moment | -0,0408 ± 0,0008
|
datum otkrića | 1934 |
parity | - |
Maseni broj | 44 |
---|---|
broj neutrona | 24 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 2,086 ± 0,11
|
Radioaktivnost | stable isotope |
Vrijeme poluraspada | Not Radioactive ☢️ |
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1922 |
parity | + |
Maseni broj | 45 |
---|---|
broj neutrona | 25 |
Relative Atomic Mass | |
g-factor | -0,37897142857143 ± 0,00037142857142857
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 162,61 ± 0,09 d
|
spin | 7/2 |
nuclear quadrupole moment | 0,038 ± 0,012
|
datum otkrića | 1940 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Maseni broj | 46 |
---|---|
broj neutrona | 26 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 0,004 ± 0,003
|
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | |
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1938 |
parity | + |
decay mode | intensity |
---|---|
2β− (double β− decay) |
Maseni broj | 47 |
---|---|
broj neutrona | 27 |
Relative Atomic Mass | |
g-factor | -0,40182857142857 ± 0,00031428571428571
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 4,536 ± 0,003 d
|
spin | 7/2 |
nuclear quadrupole moment | 0,084 ± 0,006
|
datum otkrića | 1951 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Maseni broj | 48 |
---|---|
broj neutrona | 28 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 0,187 ± 0,021
|
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 56 ± 10 Ey
|
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1938 |
parity | + |
decay mode | intensity |
---|---|
2β− (double β− decay) | |
β− (β− decay) |
Maseni broj | 49 |
---|---|
broj neutrona | 29 |
Relative Atomic Mass | |
g-factor | -0,91993333333333 ± 0,00053333333333333
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 8,718 ± 0,006 m
|
spin | 3/2 |
nuclear quadrupole moment | -0,036 ± 0,003
|
datum otkrića | 1950 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Maseni broj | 50 |
---|---|
broj neutrona | 30 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 13,45 ± 0,05 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1964 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Maseni broj | 51 |
---|---|
broj neutrona | 31 |
Relative Atomic Mass | |
g-factor | -0,69973333333333 ± 0,00073333333333333
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 10 ± 0,8 s
|
spin | 3/2 |
nuclear quadrupole moment | 0,036 ± 0,012
|
datum otkrića | 1980 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Maseni broj | 52 |
---|---|
broj neutrona | 32 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 4,6 ± 0,3 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1985 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 2% |
Maseni broj | 53 |
---|---|
broj neutrona | 33 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 461 ± 90 ms
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
datum otkrića | 1983 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 40% |
Maseni broj | 54 |
---|---|
broj neutrona | 34 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 90 ± 6 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1997 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Maseni broj | 55 |
---|---|
broj neutrona | 35 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 22 ± 2 ms
|
spin | 5/2 |
nuclear quadrupole moment | |
datum otkrića | 1997 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Maseni broj | 56 |
---|---|
broj neutrona | 36 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | 11 ± 2 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 1997 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Maseni broj | 57 |
---|---|
broj neutrona | 37 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | |
spin | 5/2 |
nuclear quadrupole moment | |
datum otkrića | 2009 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Maseni broj | 58 |
---|---|
broj neutrona | 38 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | |
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 2009 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Maseni broj | 59 |
---|---|
broj neutrona | 39 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | |
spin | 5/2 |
nuclear quadrupole moment | |
datum otkrića | 2018 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Maseni broj | 60 |
---|---|
broj neutrona | 40 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | |
spin | 0 |
nuclear quadrupole moment | 0
|
datum otkrića | 2018 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Maseni broj | 61 |
---|---|
broj neutrona | 41 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivnost | ☢️ radioactive element |
Vrijeme poluraspada | |
spin | 1/2 |
nuclear quadrupole moment | 0
|
datum otkrića | |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
otkrivač ili izumitelj | Sir Humphrey Davy |
---|---|
mjesto otkrića | England |
datum otkrića | 1808 |
Etimologija | Latin: calx, calcis (lime). |
pronunciation | KAL-si-em (engleski) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (okean) | |
natural abundance (ljudsko tijelo) | 1,4 %
|
natural abundance (Meteoroidi) | 1,1 %
|
natural abundance (Sunce) | 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 |