Beirilliam (Be)

chemical element with symbol Be and atomic number 4

Atomic Number	4
Atomic Weight	9.0121831
Núicléónuimhir	9

Group	2
Period	2
Block	s

prótón	4 p⁺
neodrón	5 n⁰
leictreon	4 e^-

Animated Samhail Bohr of Be (Beirilliam)

Physical Property

Ga Adamhach	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
dlús	1.85 g/cm³ 1,690 kg/m³

Chemical Property

{ERROR}

fuinneamh

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
eantalpacht chaighdeánach an fhoirmithe	324 kJ/mol
leictreon

electron shell	2, 2

Fiúsleictreon	2 ⓘ

cumraíocht leictreon	[He] 2s²ⓘ 1s² 2s²

Staid ocsaídiúcháine	0, 1, 2
Leictridhiúltacht	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
dath	Black #ff1493 #c2ff00 #c2ff00
appearance	white-gray metallic
Comhéifeacht athraonta
thermodynamic material property
Thermal Conductivity	201 W/(m K)
Forbairt theirmeach	0.0000113 1/K
molar heat capacity	16.443 J/(mol K)
Specific Heat Capacity	1.825 J/(g⋅K)
Cóimheas saintoilleadh teasa
electrical properties
type	Conductor
electrical conductivity	25 MS/m
Friotachas	0.00000003999999999998 Ω*m
Forsheoltacht	0.026 K
Maighnéadas
type	diamagnetic
So-ghabhálacht mhaighnéadach (Mass)	-0.0000000126 m³/Kg
So-ghabhálacht mhaighnéadach (Molar)	-0.0000000001136 m³/mol
So-ghabhálacht mhaighnéadach (Volume)	-0.00002328
magnetic ordering
Teocht Curie
Néel temperature
struchtúr
Crystal Structure	{ERROR}
lattice constant	2.29 Å
Lattice Angles	π/2, π/2, 2 π/3
airíonna meicniúla
Cruas	600 MPa 5.5 MPa 1,670 MPa
Modal toirte	130 GPa
modal fiartha	132 GPa
modal Young	287 GPa
Cóimheas Poisson	0.032
luas forleata fuaime	13,000 m/s
aicmiúchán
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
Goldschmidt classification	litophile

eile

Gas Basicity
polarizability	37.74 ± 0.03 a₀
C6 Dispersion Coefficient	227 a₀ 214 a₀
allotrope
Crosghearradh	0.0092
Neutron Mass Absorption	0.00003
Uimhir chandamach	1S0
space group	194 (P63/mmc)

Isotopes of Beryllium

Stable Isotopes	1
Unstable Isotopes	11
Natural Isotopes	1

⁵Be

Núicléónuimhir	5
neutron number	1
Mais Adamhach Choibhneasta	5.03987 ± 0.00215 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh
Paireacht	+

decay mode	intensity
p (proton emission)

⁶Be

Núicléónuimhir	6
neutron number	2
Mais Adamhach Choibhneasta	6.019726409 ± 0.000005848 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	5 ± 0.3 zs
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1958
Paireacht	+

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

⁷Be

Núicléónuimhir	7
neutron number	3
Mais Adamhach Choibhneasta	7.016928714 ± 0.000000076 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	53.22 ± 0.06 d
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1938
Paireacht	-

decay mode	intensity
ϵ (electron capture)	100%

⁸Be

Núicléónuimhir	8
neutron number	4
Mais Adamhach Choibhneasta	8.005305102 ± 0.000000037 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	81.9 ± 3.7 as
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1932
Paireacht	+

decay mode	intensity
α (α emission)	100%

⁹Be

Núicléónuimhir	9
neutron number	5
Mais Adamhach Choibhneasta	9.012183062 ± 0.000000082 Da
G-fhachtóir	-0.78495333333333 ± 0.0000033333333333333
natural abundance	100
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	3/2
nuclear quadrupole moment	0.0529 ± 0.0004
dáta fionnachtana nó tionscnaimh	1921
Paireacht	-

¹⁰Be

Núicléónuimhir	10
neutron number	6
Mais Adamhach Choibhneasta	10.013534692 ± 0.000000086 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	1.387 ± 0.012 My
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1935
Paireacht	+

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

¹¹Be

Núicléónuimhir	11
neutron number	7
Mais Adamhach Choibhneasta	11.02166108 ± 0.000000255 Da
G-fhachtóir	-3.3632 ± 0.0016
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	13.76 ± 0.07 s
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1958
Paireacht	+

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

Núicléónuimhir	12
neutron number	8
Mais Adamhach Choibhneasta	12.026922082 ± 0.000002048 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	21.46 ± 0.05 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1966
Paireacht	+

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

¹³Be

Núicléónuimhir	13
neutron number	9
Mais Adamhach Choibhneasta	13.036134506 ± 0.000010929 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	1 ± 0.7 zs
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1983
Paireacht	-

decay mode	intensity
n (neutron emission)

¹⁴Be

Núicléónuimhir	14
neutron number	10
Mais Adamhach Choibhneasta	14.04289292 ± 0.00014197 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	4.53 ± 0.27 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1973
Paireacht	+

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

Núicléónuimhir	15
neutron number	11
Mais Adamhach Choibhneasta	15.053490215 ± 0.00017799 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	790 ± 270 ys
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2013
Paireacht	+

decay mode	intensity
n (neutron emission)	100%

¹⁶Be

Núicléónuimhir	16
neutron number	12
Mais Adamhach Choibhneasta	16.061672036 ± 0.00017799 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	650 ± 130 ys
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	2012
Paireacht	+

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

stair

fionnachtaí nó aireagóir	Fredrich Wöhler, A.A.Bussy
áit ar tháinig air/uirthi	Germany/France
dáta fionnachtana nó tionscnaimh	1798
Sanasaíocht	Greek: beryllos, "beryl" (a mineral).
pronunciation	beh-RIL-i-em (Béarla)

foinse

Abundance
Abundance in Earth's crust	2.8 mg/kg
natural abundance (aigéan)	0.0000056 mg/L
natural abundance (corp an duine)	0.00000004 %
natural abundance (dreigeoideach)	0.0000029 %
natural abundance (An Ghrian)	0.00000001 %
Abundance in Universe	0.0000001 %

Nuclear Screening Constants

1	s	0.3152
2	s	2.088

Beirilliam on ChemicalAid

Beirilliam (Be)

Physical Property

Chemical Property

eile

Isotopes of Beryllium

5Be

6Be

7Be

8Be

9Be

10Be

11Be

12Be

13Be

14Be

15Be

16Be

stair

foinse

Nuclear Screening Constants

⁵Be

⁶Be

⁷Be

⁸Be

⁹Be

¹⁰Be

¹¹Be

¹²Be

¹³Be

¹⁴Be

¹⁵Be

¹⁶Be