Berilij[um] (Be)

hemijski element sa simbolom Be i atomskim brojem 4

Atomic Number	4
Atomic Weight	9.0121831
Maseni broj	9

Group	2
Period	2
Block	s

Proton	4 p⁺
Neutron	5 n⁰
Elektron	4 e^-

Animated Bohrov model atoma of Be (Berilij[um])

Physical Property

Atomski Radijus	105 pm 219 pm
Molarni volumen	5 cm³/mol
covalent radius	102 pm 90 pm 85 pm 115 pm 96 pm
Metallic Radius	89 pm 112 pm
Ionski radijus	16 pm 27 pm 45 pm
Crystal Radius	30 pm 41 pm 59 pm
Van der Waalsov radijus	190 pm 153 pm 223 pm 153 pm 274,5 pm
gustoća	1,85 g/cm³ 1.690 kg/m³

Chemical Property

{ERROR}

energija

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

Toplota isparavanja	309 kJ/mol
toplota topljenja	12,21 kJ/mol
standard enthalpy of formation	324 kJ/mol
Elektron

electron shell	2, 2

Valentni elektron	2 ⓘ

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

oksidacijsko stanje	0, 1, 2
Elektronegativnost	9,323 eV/particle 0.144986 1.57
Electrophilicity Index	0,5110145863657444 eV/particle
fundamental state of matter

agregatno stanje
gaseous state of matter
Boiling Point	2.741,15 K
Melting Point	1.560,15 K
critical pressure
Kritična temperatura	5.205,15 K
Trojna tačka
appearance
boja	Black #ff1493 #c2ff00 #c2ff00
appearance	white-gray metallic
Indeks prelamanja
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/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
Specifična električna provodljivost	25 MS/m
electrical resistivity	0,00000003999999999998 Ω*m
Superprovodljivost	0,026 K
Magnetizam
type	diamagnetic
magnetic susceptibility (Mass)	-0,0000000126 m³/Kg
magnetic susceptibility (Molar)	-0,0000000001136 m³/mol
magnetic susceptibility (Volume)	-0,00002328
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal Structure	{ERROR}
lattice constant	2,29 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
Tvrdoća	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
Brzina zvuka	13.000 m/s
klasifikacija
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

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
Kvantni brojevi	1S0
space group	194 (P63/mmc)

Isotopes of Beryllium

Stable Isotopes	1
Unstable Isotopes	11
Natural Isotopes	1

⁵Be

Maseni broj	5
broj neutrona	1
Relative Atomic Mass	5,03987 ± 0,00215 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	1/2
nuclear quadrupole moment	0
datum otkrića
parity	+

decay mode	intensity
p (proton emission)

⁶Be

Maseni broj	6
broj neutrona	2
Relative Atomic Mass	6,019726409 ± 0,000005848 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	5 ± 0,3 zs
spin	0
nuclear quadrupole moment	0
datum otkrića	1958
parity	+

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

⁷Be

Maseni broj	7
broj neutrona	3
Relative Atomic Mass	7,016928714 ± 0,000000076 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	53,22 ± 0,06 d
spin	3/2
nuclear quadrupole moment
datum otkrića	1938
parity	-

decay mode	intensity
ϵ (electron capture)	100%

⁸Be

Maseni broj	8
broj neutrona	4
Relative Atomic Mass	8,005305102 ± 0,000000037 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	81,9 ± 3,7 as
spin	0
nuclear quadrupole moment	0
datum otkrića	1932
parity	+

decay mode	intensity
α (α emission)	100%

⁹Be

Maseni broj	9
broj neutrona	5
Relative Atomic Mass	9,012183062 ± 0,000000082 Da
g-factor	-0,78495333333333 ± 0,0000033333333333333
natural abundance	100
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,0529 ± 0,0004
datum otkrića	1921
parity	-

¹⁰Be

Maseni broj	10
broj neutrona	6
Relative Atomic Mass	10,013534692 ± 0,000000086 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,387 ± 0,012 My
spin	0
nuclear quadrupole moment	0
datum otkrića	1935
parity	+

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

¹¹Be

Maseni broj	11
broj neutrona	7
Relative Atomic Mass	11,02166108 ± 0,000000255 Da
g-factor	-3,3632 ± 0,0016
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	13,76 ± 0,07 s
spin	1/2
nuclear quadrupole moment	0
datum otkrića	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

Maseni broj	12
broj neutrona	8
Relative Atomic Mass	12,026922082 ± 0,000002048 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	21,46 ± 0,05 ms
spin	0
nuclear quadrupole moment	0
datum otkrića	1966
parity	+

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

¹³Be

Maseni broj	13
broj neutrona	9
Relative Atomic Mass	13,036134506 ± 0,000010929 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1 ± 0,7 zs
spin	1/2
nuclear quadrupole moment	0
datum otkrića	1983
parity	-

decay mode	intensity
n (neutron emission)

¹⁴Be

Maseni broj	14
broj neutrona	10
Relative Atomic Mass	14,04289292 ± 0,00014197 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,53 ± 0,27 ms
spin	0
nuclear quadrupole moment	0
datum otkrića	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

Maseni broj	15
broj neutrona	11
Relative Atomic Mass	15,053490215 ± 0,00017799 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	790 ± 270 ys
spin	5/2
nuclear quadrupole moment
datum otkrića	2013
parity	+

decay mode	intensity
n (neutron emission)	100%

¹⁶Be

Maseni broj	16
broj neutrona	12
Relative Atomic Mass	16,061672036 ± 0,00017799 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	650 ± 130 ys
spin	0
nuclear quadrupole moment	0
datum otkrića	2012
parity	+

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

historija

otkrivač ili izumitelj	Fredrich Wöhler, A.A.Bussy
mjesto otkrića	Germany/France
datum otkrića	1798
Etimologija	Greek: beryllos, "beryl" (a mineral).
pronunciation	beh-RIL-i-em (engleski)

izvor

Abundance
Abundance in Earth's crust	2,8 mg/kg
natural abundance (okean)	0,0000056 mg/L
natural abundance (ljudsko tijelo)	0,00000004 %
natural abundance (Meteoroidi)	0,0000029 %
natural abundance (Sunce)	0,00000001 %
Abundance in Universe	0,0000001 %

Nuclear Screening Constants

1	s	0.3152
2	s	2.088

Berilij[um] on ChemicalAid

Berilij[um] (Be)

Physical Property

Chemical Property

other

Isotopes of Beryllium

5Be

6Be

7Be

8Be

9Be

10Be

11Be

12Be

13Be

14Be

15Be

16Be

historija

izvor

Nuclear Screening Constants

⁵Be

⁶Be

⁷Be

⁸Be

⁹Be

¹⁰Be

¹¹Be

¹²Be

¹³Be

¹⁴Be

¹⁵Be

¹⁶Be