Berilis

Berilis (Be)

chemical element with symbol Be and atomic number 4
Atomic Number4
Atomic Weight9.0121831
mass number9
Group2
Period2
Blocks
protonas4 p+
neutronas5 n0
elektronas4 e-
Animated Boro teorija of Be (Berilis)

Fizikinė Ypatybė

Atomo Spindulys
molinis tūris
Kovalentinis spindulys
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
tankis
Atomic Radii Of The Elements: Berilis0102030405060708090100110120130140150160pmAtomo SpindulysKovalentinis SpindulysMetallic RadiusVan der Waals radius

Chemical Property

energija
proton affinity
electron affinity
ionization energy
ionization energy of Be (Berilis)
Garavimo šiluma
lydymosi šiluma
standard enthalpy of formation
elektronas
electron shell2, 2
Boro teorija: Be (Berilis)
Valentinis elektronas2
Lewis structure: Be (Berilis)
elektronų konfigūracija[He] 2s2
1s2 2s2
Enhanced Boro teorija of Be (Berilis)
Orbital Diagram of Be (Berilis)
oksidacijos laipsnis0, 1, 2
Elektroneigiamumas
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
spalva
Slate Gray
appearancewhite-gray metallic
lūžio rodiklis
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Elektrinis laidumas
electrical resistivity
Superlaidumas
Magnetizmas
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
struktūra
Crystal StructureSimple Hexagonal (HEX)
Gardelės konstanta
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
kietis
bulk modulus
shear modulus
Jungo modulis
Puasono santykis
0,032
garso greitis
classification
CategoryAlkaline earth metals, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number77
Mendeleev Number75
Pettifor Number77
Geochemical Classalkaline earth metal
Goldšmito klasifikacijalitophile

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
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys1/2
nuclear quadrupole moment
0
atradimo data
parity+

decay modeIntensyvumas
p (proton emission)

6Be

mass number6
neutron number2
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
5 ± 0,3 zs
Sukinys0
nuclear quadrupole moment
0
atradimo data1958
parity+

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

7Be

mass number7
neutron number3
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
53,22 ± 0,06 d
Sukinys3/2
nuclear quadrupole moment
atradimo data1938
parity-

decay modeIntensyvumas
ϵ (electron capture)100%

8Be

mass number8
neutron number4
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
81,9 ± 3,7 as
Sukinys0
nuclear quadrupole moment
0
atradimo data1932
parity+

decay modeIntensyvumas
α (α emission)100%

9Be

mass number9
neutron number5
Relative Atomic Mass
g-factor
−0,78495333333333 ± 0,0000033333333333333
natural abundance
100
Radioaktyvumasstable isotope
pusėjimo trukmėNot Radioactive ☢️
Sukinys3/2
nuclear quadrupole moment
0,0529 ± 0,0004
atradimo data1921
parity-

10Be

mass number10
neutron number6
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
1,387 ± 0,012 My
Sukinys0
nuclear quadrupole moment
0
atradimo data1935
parity+

decay modeIntensyvumas
β (β decay)100%

11Be

mass number11
neutron number7
Relative Atomic Mass
g-factor
−3,3632 ± 0,0016
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
13,76 ± 0,07 s
Sukinys1/2
nuclear quadrupole moment
0
atradimo data1958
parity+

decay modeIntensyvumas
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
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
21,46 ± 0,05 ms
Sukinys0
nuclear quadrupole moment
0
atradimo data1966
parity+

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

13Be

mass number13
neutron number9
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
1 ± 0,7 zs
Sukinys1/2
nuclear quadrupole moment
0
atradimo data1983
parity-

decay modeIntensyvumas
n (neutron emission)

14Be

mass number14
neutron number10
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
4,53 ± 0,27 ms
Sukinys0
nuclear quadrupole moment
0
atradimo data1973
parity+

decay modeIntensyvumas
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
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
790 ± 270 ys
Sukinys5/2
nuclear quadrupole moment
atradimo data2013
parity+

decay modeIntensyvumas
n (neutron emission)100%

16Be

mass number16
neutron number12
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
650 ± 130 ys
Sukinys0
nuclear quadrupole moment
0
atradimo data2012
parity+

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

istorija

atradėjas arba išradėjasFredrich Wöhler, A.A.Bussy
location of discoveryGermany/France
atradimo data1798
EtimologijaGreek: beryllos, "beryl" (a mineral).
pronunciationbeh-RIL-i-em (anglų)

source

Abundance
Abundance in Earth's crust
natural abundance (Vandenynas)
natural abundance (Kūnas)
0,00000004 %
natural abundance (Meteoroidas)
0,0000029 %
natural abundance (Saulė)
0,00000001 %
Abundance in Universe
0,0000001 %

Nuclear Screening Constants

1s0.3152
2s2.088