Beryllium

Beryllium (Be)

cheemescht Element
Atomic Number4
Atomic Weight9.0121831
mass number9
Group2
Period2
Blocks
Proton4 p+
Neutron5 n0
Elektron4 e-
Animated Bohr model of Be (Beryllium)

Physikalesch Eegenschaft

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Beryllium0102030405060708090100110120130140150160pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
electron affinity
ionization energy
ionization energy of Be (Beryllium)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Elektron
electron shell2, 2
Bohr model: Be (Beryllium)
valence electron2
Lewis structure: Be (Beryllium)
electron configuration[He] 2s2
1s2 2s2
Enhanced Bohr model of Be (Beryllium)
Orbital Diagram of Be (Beryllium)
oxidation number0, 1, 2
electronegativity
1.57
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
Faarf
Slate Gray
appearancewhite-gray metallic
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
electrical resistivity
superconductivity
Magnetismus
typediamagnetic
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 StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/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
CategoryAlkaline earth metals, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number77
Mendeleev Number75
Pettifor Number77
Geochemical Classalkaline earth metal
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
0,0092
Neutron Mass Absorption
0,00003
quantum number1S0
space group194 (P63/mmc)

Isotopes of Beryllium

Stable Isotopes1
Unstable Isotopes11
Natural Isotopes1

5Be

mass number5
neutron number1
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
Datum vun der Entdeckung
parity+

decay modeintensity
p (proton emission)

6Be

mass number6
neutron number2
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
5 ± 0,3 zs
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1958
parity+

decay modeintensity
2p (2-proton emission)100%

7Be

mass number7
neutron number3
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
53,22 ± 0,06 d
spin3/2
nuclear quadrupole moment
Datum vun der Entdeckung1938
parity-

decay modeintensity
ϵ (electron capture)100%

8Be

mass number8
neutron number4
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
81,9 ± 3,7 as
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1932
parity+

decay modeintensity
α (α emission)100%

9Be

mass number9
neutron number5
Relative Atomic Mass
g-factor
-0,78495333333333 ± 0,0000033333333333333
natural abundance
100
Radioaktivitéitstable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,0529 ± 0,0004
Datum vun der Entdeckung1921
parity-

10Be

mass number10
neutron number6
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
1,387 ± 0,012 My
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1935
parity+

decay modeintensity
β (β decay)100%

11Be

mass number11
neutron number7
Relative Atomic Mass
g-factor
-3,3632 ± 0,0016
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
13,76 ± 0,07 s
spin1/2
nuclear quadrupole moment
0
Datum vun der Entdeckung1958
parity+

decay modeintensity
β (β decay)100%
βα (β-delayed α emission)3.3%
B-p0.0013%
β n (β-delayed neutron emission)

12Be

mass number12
neutron number8
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
21,46 ± 0,05 ms
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1966
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.5%

13Be

mass number13
neutron number9
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
1 ± 0,7 zs
spin1/2
nuclear quadrupole moment
0
Datum vun der Entdeckung1983
parity-

decay modeintensity
n (neutron emission)

14Be

mass number14
neutron number10
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
4,53 ± 0,27 ms
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung1973
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)86%
2n (2-neutron emission)5%
β t (β-delayed triton emission)0.02%
βα (β-delayed α emission)0.004%

15Be

mass number15
neutron number11
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
790 ± 270 ys
spin5/2
nuclear quadrupole moment
Datum vun der Entdeckung2013
parity+

decay modeintensity
n (neutron emission)100%

16Be

mass number16
neutron number12
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitéit☢️ radioactive element
half-life
650 ± 130 ys
spin0
nuclear quadrupole moment
0
Datum vun der Entdeckung2012
parity+

decay modeintensity
2n (2-neutron emission)100%
Beryllium nuggets 2
Electron shell de 004 Beryllium

Geschicht

Entdecker oder ErfinderFredrich Wöhler, A.A.Bussy
location of discoveryGermany/France
Datum vun der Entdeckung1798
EtymologieGreek: beryllos, "beryl" (a mineral).
pronunciationbeh-RIL-i-em (Englesch)

Quell

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 %

Nuclear Screening Constants

1s0.3152
2s2.088