Atomic Number | 4 |
---|---|
Atomic Weight | 9.0121831 |
mass number | 9 |
Group | 2 |
---|---|
Period | 2 |
Block | s |
Proton | 4 p+ |
---|---|
Neutron | 5 n0 |
Elektron | 4 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, 2 |
valence electron | 2 ⓘ |
electron configuration | [He] 2s2ⓘ 1s2 2s2 |
oxidation number | 0, 1, 2 |
electronegativity | 1.57
|
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 | Slate Gray
|
appearance | white-gray metallic |
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 | diamagnetic |
magnetic susceptibility (Mass) | -0,0000000126 m³/Kg
|
magnetic susceptibility (Molar) | -0,0000000001136 m³/mol
|
magnetic susceptibility (Volume) | -0,00002328
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
Struktur | |
Crystal Structure | Simple Hexagonal (HEX) |
lattice constant | |
Lattice Angles | π/2, π/2, 2 π/3 |
mechanical property | |
hardness | |
bulk modulus | |
shear modulus | |
Young's modulus | |
Poisson's ratio | 0,032
|
speed of sound | |
classification | |
Category | Alkaline earth metals, Alkaline earth metals |
CAS Group | IIA |
IUPAC Group | IIA |
Glawe Number | 77 |
Mendeleev Number | 75 |
Pettifor Number | 77 |
Geochemical Class | alkaline earth metal |
Goldschmidt classification | litophile |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Neutron cross section | 0,0092
|
Neutron Mass Absorption | 0,00003
|
quantum number | 1S0 |
space group | 194 (P63/mmc) |
Stable Isotopes | 1 |
---|---|
Unstable Isotopes | 11 |
Natural Isotopes | 1 |
mass number | 5 |
---|---|
neutron number | 1 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 1/2 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | |
parity | + |
decay mode | intensity |
---|---|
p (proton emission) |
mass number | 6 |
---|---|
neutron number | 2 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 5 ± 0,3 zs
|
spin | 0 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1958 |
parity | + |
decay mode | intensity |
---|---|
2p (2-proton emission) | 100% |
mass number | 7 |
---|---|
neutron number | 3 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 53,22 ± 0,06 d
|
spin | 3/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1938 |
parity | - |
decay mode | intensity |
---|---|
ϵ (electron capture) | 100% |
mass number | 8 |
---|---|
neutron number | 4 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 81,9 ± 3,7 as
|
spin | 0 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1932 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 9 |
---|---|
neutron number | 5 |
Relative Atomic Mass | |
g-factor | -0,78495333333333 ± 0,0000033333333333333
|
natural abundance | 100
|
Radioaktivitéit | stable isotope |
half-life | Not Radioactive ☢️ |
spin | 3/2 |
nuclear quadrupole moment | 0,0529 ± 0,0004
|
Datum vun der Entdeckung | 1921 |
parity | - |
mass number | 10 |
---|---|
neutron number | 6 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 1,387 ± 0,012 My
|
spin | 0 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1935 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 11 |
---|---|
neutron number | 7 |
Relative Atomic Mass | |
g-factor | -3,3632 ± 0,0016
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 13,76 ± 0,07 s
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1958 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β−α (β−-delayed α emission) | 3.3% |
B-p | 0.0013% |
β− n (β−-delayed neutron emission) |
mass number | 12 |
---|---|
neutron number | 8 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 21,46 ± 0,05 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1966 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.5% |
mass number | 13 |
---|---|
neutron number | 9 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 1 ± 0,7 zs
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1983 |
parity | - |
decay mode | intensity |
---|---|
n (neutron emission) |
mass number | 14 |
---|---|
neutron number | 10 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 4,53 ± 0,27 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1973 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 86% |
2n (2-neutron emission) | 5% |
β− t (β−-delayed triton emission) | 0.02% |
β−α (β−-delayed α emission) | 0.004% |
mass number | 15 |
---|---|
neutron number | 11 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 790 ± 270 ys
|
spin | 5/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 2013 |
parity | + |
decay mode | intensity |
---|---|
n (neutron emission) | 100% |
mass number | 16 |
---|---|
neutron number | 12 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 650 ± 130 ys
|
spin | 0 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 2012 |
parity | + |
decay mode | intensity |
---|---|
2n (2-neutron emission) | 100% |
Entdecker oder Erfinder | Fredrich Wöhler, A.A.Bussy |
---|---|
location of discovery | Germany/France |
Datum vun der Entdeckung | 1798 |
Etymologie | Greek: beryllos, "beryl" (a mineral). |
pronunciation | beh-RIL-i-em (Englesch) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (Ozean) | |
natural abundance (Mënschleche Kierper) | 0,00000004 %
|
natural abundance (Meteoroid) | 0,0000029 %
|
natural abundance (Sonn) | 0,00000001 %
|
Abundance in Universe | 0,0000001 %
|
1 | s | 0.3152 |
2 | s | 2.088 |