Berillium (Be)

chemical element with symbol Be and atomic number 4

Atomic Number	4
Atomic Weight	9.0121831
mass number	9

Group	2
Period	2
Block	s

Proton	4 p⁺
Neytron	5 n⁰
elektron	4 e^-

Fiziki Xassə

Atomic Radius	105 pm 219 pm
molar volume	5 cm³/mol
Covalent Radius	102 pm 90 pm 85 pm 115 pm 96 pm
Metallic Radius	89 pm 112 pm
ionic radius	16 pm 27 pm 45 pm
Crystal Radius	30 pm 41 pm 59 pm
Van der Waals radius	190 pm 153 pm 223 pm 153 pm 274,5 pm
sıxlıq	1,85 q/sm³ 1.690 kq/m³

Chemical Property

{ERROR}

enerji

proton affinity
electron affinity	-2,4 eV/particle
ionization energy	9,322699 eV/particle 18,211153 eV/particle 153,896198 eV/particle 217,7185766 eV/particle

enthalpy of vaporization	309 kJ/mol
enthalpy of fusion	12,21 kJ/mol
standard enthalpy of formation	324 kJ/mol
elektron

electron shell	2, 2

valence electron	2 ⓘ

electron configuration	[He] 2s²ⓘ 1s² 2s²

oxidation number	0, 1, 2
electronegativity	9,323 eV/particle 0.144986 1.57
Electrophilicity Index	0,5110145863657444 eV/particle
fundamental state of matter

phase of matter
gaseous state of matter
Boiling Point	2.741,15 K
Melting Point	1.560,15 K
critical pressure
critical temperature	5.205,15 K
triple point
appearance
rəng	Black #ff1493 #c2ff00 #c2ff00
appearance	white-gray metallic
İşığın tam daxili qayıtması
thermodynamic material property
Thermal Conductivity	201 W/(m K)
thermal expansion	0,0000113 1/K
molar heat capacity	16,443 J/(mol K)
Specific Heat Capacity	1,825 J/(q⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	25 MS/m
electrical resistivity	0,00000003999999999998 Ω*m
İfratkeçiricilik	0,026 K
Maqnetizm
type	diamagnetic
magnetic susceptibility (Mass)	-0,0000000126 m³/Kg
magnetic susceptibility (Molar)	-0,0000000001136 m³/mol
magnetic susceptibility (Volume)	-0,00002328
magnetic ordering
Küri nöqtəsi
Néel temperature
struktur
Crystal Structure	{ERROR}
lattice constant	2,29 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
Bərklik	600 MPa 5,5 MPa 1.670 MPa
bulk modulus	130 GPa
shear modulus	132 GPa
Young's modulus	287 GPa
Poisson's ratio	0,032
Səs sürəti	13.000 m/san.
təsnifat
Category	Actinides, Alkaline earth metals
CAS Group	IIA
IUPAC Group	IIA
Glawe Number	77
Mendeleev Number	75
Pettifor Number	77
Geochemical Class	alkaline earth metal
Qoldşmidtin fazalar qaydası	litophile

other

Gas Basicity
polarizability	37,74 ± 0,03 a₀
C6 Dispersion Coefficient	227 a₀ 214 a₀
allotrope
Neutron cross section	0,0092
Neutron Mass Absorption	0,00003
quantum number	1S0
space group	194 (P63/mmc)

Isotopes of Beryllium

Stable Isotopes	1
Unstable Isotopes	11
Natural Isotopes	1

⁵Be

mass number	5
neutron number	1
Relative Atomic Mass	5,03987 ± 0,00215 Da
g-factor
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu
spin	1/2
nuclear quadrupole moment	0
kəşf və ya ixtira tarixi
parity	+

decay mode	intensity
p (proton emission)

⁶Be

mass number	6
neutron number	2
Relative Atomic Mass	6,019726409 ± 0,000005848 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu	5 ± 0,3 zs
spin	0
nuclear quadrupole moment	0
kəşf və ya ixtira tarixi	1958
parity	+

decay mode	intensity
2p (2-proton emission)	100%

⁷Be

mass number	7
neutron number	3
Relative Atomic Mass	7,016928714 ± 0,000000076 Da
g-factor
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu	53,22 ± 0,06 d
spin	3/2
nuclear quadrupole moment
kəşf və ya ixtira tarixi	1938
parity	-

decay mode	intensity
ϵ (electron capture)	100%

⁸Be

mass number	8
neutron number	4
Relative Atomic Mass	8,005305102 ± 0,000000037 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu	81,9 ± 3,7 as
spin	0
nuclear quadrupole moment	0
kəşf və ya ixtira tarixi	1932
parity	+

decay mode	intensity
α (α emission)	100%

⁹Be

mass number	9
neutron number	5
Relative Atomic Mass	9,012183062 ± 0,000000082 Da
g-factor	-0,78495333333333 ± 0,0000033333333333333
natural abundance	100
Radioaktivlik	stable isotope
Yarımparçalanma periodu	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,0529 ± 0,0004
kəşf və ya ixtira tarixi	1921
parity	-

¹⁰Be

mass number	10
neutron number	6
Relative Atomic Mass	10,013534692 ± 0,000000086 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu	1,387 ± 0,012 My
spin	0
nuclear quadrupole moment	0
kəşf və ya ixtira tarixi	1935
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹¹Be

mass number	11
neutron number	7
Relative Atomic Mass	11,02166108 ± 0,000000255 Da
g-factor	-3,3632 ± 0,0016
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu	13,76 ± 0,07 s
spin	1/2
nuclear quadrupole moment	0
kəşf və ya ixtira tarixi	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)

¹²Be

mass number	12
neutron number	8
Relative Atomic Mass	12,026922082 ± 0,000002048 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu	21,46 ± 0,05 ms
spin	0
nuclear quadrupole moment	0
kəşf və ya ixtira tarixi	1966
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.5%

¹³Be

mass number	13
neutron number	9
Relative Atomic Mass	13,036134506 ± 0,000010929 Da
g-factor
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu	1 ± 0,7 zs
spin	1/2
nuclear quadrupole moment	0
kəşf və ya ixtira tarixi	1983
parity	-

decay mode	intensity
n (neutron emission)

¹⁴Be

mass number	14
neutron number	10
Relative Atomic Mass	14,04289292 ± 0,00014197 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu	4,53 ± 0,27 ms
spin	0
nuclear quadrupole moment	0
kəşf və ya ixtira tarixi	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%

¹⁵Be

mass number	15
neutron number	11
Relative Atomic Mass	15,053490215 ± 0,00017799 Da
g-factor
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu	790 ± 270 ys
spin	5/2
nuclear quadrupole moment
kəşf və ya ixtira tarixi	2013
parity	+

decay mode	intensity
n (neutron emission)	100%

¹⁶Be

mass number	16
neutron number	12
Relative Atomic Mass	16,061672036 ± 0,00017799 Da
g-factor	0
natural abundance
Radioaktivlik	☢️ Radioaktiv element
Yarımparçalanma periodu	650 ± 130 ys
spin	0
nuclear quadrupole moment	0
kəşf və ya ixtira tarixi	2012
parity	+

decay mode	intensity
2n (2-neutron emission)	100%

tarix

ixtiraçı və ya kəşf edən	Fredrich Wöhler, A.A.Bussy
location of discovery	Germany/France
kəşf və ya ixtira tarixi	1798
Etimologiya	Greek: beryllos, "beryl" (a mineral).
pronunciation	beh-RIL-i-em (ingilis)

source

Abundance
Abundance in Earth's crust	2,8 mg/kg
natural abundance (okean)	0,0000056 mg/L
natural abundance (İnsan bədəni)	0,00000004 %
natural abundance (Meteoroid)	0,0000029 %
natural abundance (Günəş)	0,00000001 %
Abundance in Universe	0,0000001 %

Nuclear Screening Constants

1	s	0.3152
2	s	2.088

Berillium on ChemicalAid

Berillium (Be)

Fiziki Xassə

Chemical Property

other

Isotopes of Beryllium

5Be

6Be

7Be

8Be

9Be

10Be

11Be

12Be

13Be

14Be

15Be

16Be

tarix

source

Nuclear Screening Constants

⁵Be

⁶Be

⁷Be

⁸Be

⁹Be

¹⁰Be

¹¹Be

¹²Be

¹³Be

¹⁴Be

¹⁵Be

¹⁶Be