Atomic Number | 19 |
---|---|
Atomic Weight | 39.0983 |
mass number | 39 |
Group | 1 |
---|---|
Period | 4 |
Block | s |
Proton | 19 p+ |
---|---|
Neutron | 20 n0 |
Elektron | 19 e- |
Atomic Radius | |
---|---|
molar volume | |
Covalent Radius | |
Metallic Radius | |
ionic radius | |
Crystal Radius | |
Van der Waals radius | |
density |
energie | |
---|---|
proton affinity | |
electron affinity | |
ionization energy | |
enthalpy of vaporization | |
enthalpy of fusion | |
standard enthalpy of formation | |
Elektron | |
electron shell | 2, 8, 8, 1 |
valence electron | 1 ⓘ |
electron configuration | [Ar] 4s1ⓘ 1s2 2s2 2p6 3s2 3p6 4s1 |
oxidation number | -1, 1 |
electronegativity | 0.82
|
Electrophilicity Index | |
fundamental state of matter | |
phase of matter | Solid |
gaseous state of matter | |
Boiling Point | |
Melting Point | |
critical pressure | |
critical temperature | |
triple point | |
appearance | |
Faarf | Silver
|
appearance | silvery gray |
refractive index | |
thermodynamic material property | |
Thermal Conductivity | |
thermal expansion | |
molar heat capacity | |
Specific Heat Capacity | |
heat capacity ratio | |
electrical properties | |
type | Conductor |
electrical conductivity | |
electrical resistivity | |
superconductivity | |
Magnetismus | |
type | paramagnetic |
magnetic susceptibility (Mass) | 0,0000000067 m³/Kg
|
magnetic susceptibility (Molar) | 0,000000000262 m³/mol
|
magnetic susceptibility (Volume) | 0,00000574
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
Struktur | |
Crystal Structure | Body Centered Cubic (BCC) |
lattice constant | |
Lattice Angles | π/2, π/2, π/2 |
mechanical property | |
hardness | |
bulk modulus | |
shear modulus | |
Young's modulus | |
Poisson's ratio | |
speed of sound | |
classification | |
Category | Alkali metals, Alkali metals |
CAS Group | IA |
IUPAC Group | IA |
Glawe Number | 10 |
Mendeleev Number | 3 |
Pettifor Number | 10 |
Geochemical Class | alkali metal |
Goldschmidt classification | litophile |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Neutron cross section | 2,1
|
Neutron Mass Absorption | 0,0018
|
quantum number | 2S1/2 |
space group | 229 (Im_3m) |
Stable Isotopes | 2 |
---|---|
Unstable Isotopes | 27 |
Natural Isotopes | 3 |
mass number | 31 |
---|---|
neutron number | 12 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 2019 |
parity | + |
decay mode | intensity |
---|---|
3p | 100% |
mass number | 32 |
---|---|
neutron number | 13 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 1 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | |
parity | + |
decay mode | intensity |
---|---|
p (proton emission) |
mass number | 33 |
---|---|
neutron number | 14 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | |
parity | + |
decay mode | intensity |
---|---|
p (proton emission) |
mass number | 34 |
---|---|
neutron number | 15 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 1 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | |
parity | + |
decay mode | intensity |
---|---|
p (proton emission) |
mass number | 35 |
---|---|
neutron number | 16 |
Relative Atomic Mass | |
g-factor | 0,26133333333333 ± 0,0046666666666667
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 175,2 ± 1,9 ms
|
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1976 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 0.37% |
mass number | 36 |
---|---|
neutron number | 17 |
Relative Atomic Mass | |
g-factor | 0,274 ± 0,0005
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 341 ± 3 ms
|
spin | 2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1967 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 0.048% |
β+α (β+-delayed α emission) | 0.0034% |
mass number | 37 |
---|---|
neutron number | 18 |
Relative Atomic Mass | |
g-factor | 0,13547333333333 ± 0,00004
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 1,23651 ± 0,00094 s
|
spin | 3/2 |
nuclear quadrupole moment | 0,109 ± 0,004
|
Datum vun der Entdeckung | 1958 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 38 |
---|---|
neutron number | 19 |
Relative Atomic Mass | |
g-factor | 0,457 ± 0,002
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 7,651 ± 0,019 m
|
spin | 3 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1937 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 39 |
---|---|
neutron number | 20 |
Relative Atomic Mass | |
g-factor | 0,26098 ± 0,0000053333333333333
|
natural abundance | 93,2581 ± 0,0044
|
Radioaktivitéit | stable isotope |
half-life | Not Radioactive ☢️ |
spin | 3/2 |
nuclear quadrupole moment | 0,0603 ± 0,0006
|
Datum vun der Entdeckung | 1921 |
parity | + |
mass number | 40 |
---|---|
neutron number | 21 |
Relative Atomic Mass | |
g-factor | |
natural abundance | 0,0117 ± 0,0001
|
Radioaktivitéit | ☢️ radioactive element |
half-life | 1,248 ± 0,003 Gy
|
spin | 4 |
nuclear quadrupole moment | -0,075 ± 0,0008
|
Datum vun der Entdeckung | 1935 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 89.28% |
β+ (β+ decay; β+ = ϵ + e+) | 10.72% |
mass number | 41 |
---|---|
neutron number | 22 |
Relative Atomic Mass | |
g-factor | 0,143248 ± 0,0000033333333333333
|
natural abundance | 6,7302 ± 0,0044
|
Radioaktivitéit | stable isotope |
half-life | Not Radioactive ☢️ |
spin | 3/2 |
nuclear quadrupole moment | 0,0734 ± 0,0007
|
Datum vun der Entdeckung | 1921 |
parity | + |
mass number | 42 |
---|---|
neutron number | 23 |
Relative Atomic Mass | |
g-factor | -0,57125 ± 0,0003
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 12,355 ± 0,007 h
|
spin | 2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1935 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 43 |
---|---|
neutron number | 24 |
Relative Atomic Mass | |
g-factor | 0,10886666666667 ± 0,00053333333333333
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 22,3 ± 0,1 h
|
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1949 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 44 |
---|---|
neutron number | 25 |
Relative Atomic Mass | |
g-factor | -0,428 ± 0,002
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 22,13 ± 0,19 m
|
spin | 2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1954 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 45 |
---|---|
neutron number | 26 |
Relative Atomic Mass | |
g-factor | 0,1156 ± 0,00053333333333333
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 17,8 ± 0,6 m
|
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1964 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 46 |
---|---|
neutron number | 27 |
Relative Atomic Mass | |
g-factor | -0,5255 ± 0,003
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 96,3 ± 0,08 s
|
spin | 2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1965 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 47 |
---|---|
neutron number | 28 |
Relative Atomic Mass | |
g-factor | 3,866 ± 0,018
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 17,38 ± 0,03 s
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1964 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 48 |
---|---|
neutron number | 29 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 6,83 ± 0,14 s
|
spin | 1 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1972 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 1.14% |
mass number | 49 |
---|---|
neutron number | 30 |
Relative Atomic Mass | |
g-factor | 2,6772 ± 0,0016
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 1,26 ± 0,05 s
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1972 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 86% |
mass number | 50 |
---|---|
neutron number | 31 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 472 ± 4 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1972 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 28.6% |
2n (2-neutron emission) |
mass number | 51 |
---|---|
neutron number | 32 |
Relative Atomic Mass | |
g-factor | 0,342 ± 0,0013333333333333
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 365 ± 5 ms
|
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1983 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 65% |
2n (2-neutron emission) |
mass number | 52 |
---|---|
neutron number | 33 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 110 ± 4 ms
|
spin | 2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1983 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 72.2% |
2n (2-neutron emission) | 2.3% |
mass number | 53 |
---|---|
neutron number | 34 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 30 ± 5 ms
|
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1983 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 64% |
2n (2-neutron emission) | 10% |
mass number | 54 |
---|---|
neutron number | 35 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 10 ± 5 ms
|
spin | 2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1983 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
mass number | 55 |
---|---|
neutron number | 36 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 2009 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
mass number | 56 |
---|---|
neutron number | 37 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 2009 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
mass number | 57 |
---|---|
neutron number | 38 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 2018 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
mass number | 58 |
---|---|
neutron number | 39 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 2019 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
mass number | 59 |
---|---|
neutron number | 40 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 2018 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Entdecker oder Erfinder | Sir Humphrey Davy |
---|---|
location of discovery | England |
Datum vun der Entdeckung | 1807 |
Etymologie | English: pot ash; symbol from Latin: kalium, (alkali). |
pronunciation | pe-TASS-i-em (Englesch) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (Ozean) | |
natural abundance (Mënschleche Kierper) | 0,2 %
|
natural abundance (Meteoroid) | 0,07 %
|
natural abundance (Sonn) | 0,0004 %
|
Abundance in Universe | 0,0003 %
|
1 | s | 0.5105 |
2 | p | 3.9728 |
2 | s | 5.9938 |
3 | p | 11.2744 |
3 | s | 10.3201 |
4 | s | 15.5048 |