Бериллий

Бериллий (Be)

chemical element with symbol Be and atomic number 4
Atomic Number4
Atomic Weight9.0121831
mass number9
Group2
Period2
Blocks
Протон4 p+
Нейтрон5 n0
Электрон4 e-
Animated Bohr model of Be (Бериллий)

Physical Property

Атомдук Радиус
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Бериллий0102030405060708090100110120130140150160pmАтомдук РадиусCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
electron affinity
ionization energy
ionization energy of Be (Бериллий)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Электрон
electron shell2, 2
Bohr model: Be (Бериллий)
valence electron2
Lewis structure: Be (Бериллий)
electron configuration[He] 2s2
1s2 2s2
Enhanced Bohr model of Be (Бериллий)
Orbital Diagram of Be (Бериллий)
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
Түс –
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
Магнетизм
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
түзүм
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
Литофиль элементтериlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
0,0092
Neutron Mass Absorption
0,00003
Кванттык сандар1S0
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
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention
parity+

decay modeintensity
p (proton emission)

6Be

mass number6
neutron number2
Relative Atomic Mass
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
5 ± 0,3 zs
Спин0
nuclear quadrupole moment
0
time of discovery or invention1958
parity+

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

7Be

mass number7
neutron number3
Relative Atomic Mass
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
53,22 ± 0,06 d
Спин3/2
nuclear quadrupole moment
time of discovery or invention1938
parity-

decay modeintensity
ϵ (electron capture)100%

8Be

mass number8
neutron number4
Relative Atomic Mass
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
81,9 ± 3,7 as
Спин0
nuclear quadrupole moment
0
time of discovery or invention1932
parity+

decay modeintensity
α (α emission)100%

9Be

mass number9
neutron number5
Relative Atomic Mass
g-factor
-0,78495333333333 ± 0,0000033333333333333
natural abundance
100
Радиоактивдүүлүкstable isotope
half-lifeNot Radioactive ☢️
Спин3/2
nuclear quadrupole moment
0,0529 ± 0,0004
time of discovery or invention1921
parity-

10Be

mass number10
neutron number6
Relative Atomic Mass
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
1,387 ± 0,012 My
Спин0
nuclear quadrupole moment
0
time of discovery or invention1935
parity+

decay modeintensity
β (β decay)100%

11Be

mass number11
neutron number7
Relative Atomic Mass
g-factor
-3,3632 ± 0,0016
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
13,76 ± 0,07 s
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention1958
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
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
21,46 ± 0,05 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1966
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
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
1 ± 0,7 zs
Спин1/2
nuclear quadrupole moment
0
time of discovery or invention1983
parity-

decay modeintensity
n (neutron emission)

14Be

mass number14
neutron number10
Relative Atomic Mass
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
4,53 ± 0,27 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1973
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
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
790 ± 270 ys
Спин5/2
nuclear quadrupole moment
time of discovery or invention2013
parity+

decay modeintensity
n (neutron emission)100%

16Be

mass number16
neutron number12
Relative Atomic Mass
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
650 ± 130 ys
Спин0
nuclear quadrupole moment
0
time of discovery or invention2012
parity+

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

тарых

discoverer or inventorFredrich Wöhler, A.A.Bussy
location of discoveryGermany/France
time of discovery or invention1798
ЭтимологияGreek: beryllos, "beryl" (a mineral).
pronunciationbeh-RIL-i-em (англисче)

source

Abundance
Abundance in Earth's crust
natural abundance (Океан)
natural abundance (human body)
0,00000004 %
natural abundance (meteoroid)
0,0000029 %
natural abundance (Күн)
0,00000001 %
Abundance in Universe
0,0000001 %

Nuclear Screening Constants

1s0.3152
2s2.088