Alúmanam (Al)

metallic chemical element of silvery appearance with symbol Al and atomic number 13

Atomic Number	13
Atomic Weight	26.9815385
Núicléónuimhir	27

Group	13
Period	3
Block	p

prótón	13 p⁺
neodrón	14 n⁰
leictreon	13 e^-

Physical Property

Ga Adamhach	125 pm 239 pm
molar volume	10 cm³/mol
covalent radius	126 pm 113 pm 111 pm 135 pm 121 pm
Metallic Radius	125 pm 143 pm
ionic radius	39 pm 48 pm 53.5 pm
Crystal Radius	53 pm 62 pm 67.5 pm
Van der Waals radius	210 pm 439 pm 184 pm 236 pm 184 pm 449.9 pm
dlús	2.7 g/cm³ 2,375 kg/m³

Chemical Property

{ERROR}

fuinneamh

proton affinity
electron affinity	0.43283 eV/particle
ionization energy	5.9857684 eV/particle 18.82855 eV/particle 28.44764 eV/particle 119.9924 eV/particle 153.8252 eV/particle 190.49 eV/particle 241.76 eV/particle 284.638 eV/particle 330.212 eV/particle 398.65 eV/particle 442.005 eV/particle 2,085.97693 eV/particle 2,304.14 eV/particle

enthalpy of vaporization	284.1 kJ/mol
enthalpy of fusion	10.75 kJ/mol
eantalpacht chaighdeánach an fhoirmithe	330.9 kJ/mol
leictreon

electron shell	2, 8, 3

Fiúsleictreon	3 ⓘ

cumraíocht leictreon	[Ne] 3s² 3p¹ⓘ 1s² 2s² 2p⁶ 3s² 3p¹

Staid ocsaídiúcháine	-2, -1, 0, 1, 2, 3
Leictridhiúltacht	9.539 eV/particle 0.150078 1.61
Electrophilicity Index	0.9274010094475963 eV/particle
fundamental state of matter

phase of matter
gaseous state of matter
Boiling Point	2,792.15 K
Melting Point	933.473 K
critical pressure
critical temperature	6,700.15 K
triple point
appearance
dath	Black #808090 #bfa6a6 #bfa6a6
appearance	silvery gray metallic
Comhéifeacht athraonta
thermodynamic material property
Thermal Conductivity	237 W/(m K)
Forbairt theirmeach	0.0000231 1/K
molar heat capacity	24.2 J/(mol K)
Specific Heat Capacity	0.897 J/(g⋅K)
Cóimheas saintoilleadh teasa
electrical properties
type	Conductor
electrical conductivity	38 MS/m
Friotachas	0.000000026 Ω*m
Forsheoltacht	1.175 K
Maighnéadas
type	paramagnetic
So-ghabhálacht mhaighnéadach (Mass)	0.0000000078 m³/Kg
So-ghabhálacht mhaighnéadach (Molar)	0.00000000021 m³/mol
So-ghabhálacht mhaighnéadach (Volume)	0.0000211
magnetic ordering
Teocht Curie
Néel temperature
struchtúr
Crystal Structure	{ERROR}
lattice constant	4.05 Å
Lattice Angles	π/2, π/2, π/2
airíonna meicniúla
Cruas	245 MPa 2.75 MPa 167 MPa
Modal toirte	76 GPa
modal fiartha	26 GPa
modal Young	70 GPa
Cóimheas Poisson	0.35
luas forleata fuaime	5,100 m/s
aicmiúchán
Category	Actinides, Poor metals
CAS Group	IIIB
IUPAC Group	IIIA
Glawe Number	78
Mendeleev Number	82
Pettifor Number	80
Geochemical Class	major
Goldschmidt classification	litophile

eile

Gas Basicity
polarizability	57.8 ± 1 a₀
C6 Dispersion Coefficient	528 a₀ 520 a₀
allotrope
Crosghearradh	0.233
Neutron Mass Absorption	0.03
Uimhir chandamach	2P1/2
space group	225 (Fm_3m)

Isotopes of Aluminum

Stable Isotopes	1
Unstable Isotopes	22
Natural Isotopes	1

²¹Al

Núicléónuimhir	21
neutron number	8
Mais Adamhach Choibhneasta	21.029082 ± 0.000644 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh
Paireacht	+

decay mode	intensity
p (proton emission)

²²Al

Núicléónuimhir	22
neutron number	9
Mais Adamhach Choibhneasta	22.01954 ± 0.00043 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	91.1 ± 0.5 ms
Guairne	4
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1982
Paireacht

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	55%
2p (2-proton emission)	1.1%
β⁺α (β⁺-delayed α emission)	0.038%

²³Al

Núicléónuimhir	23
neutron number	10
Mais Adamhach Choibhneasta	23.007244351 ± 0.00000037 Da
G-fhachtóir	1.556 ± 0.008
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	446 ± 6 ms
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1969
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	1.22%

²⁴Al

Núicléónuimhir	24
neutron number	11
Mais Adamhach Choibhneasta	23.999947598 ± 0.000000244 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	2.053 ± 0.004 s
Guairne	4
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1953
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺α (β⁺-delayed α emission)	0.035%
β⁺ p (β⁺-delayed proton emission)	0.0016%

²⁵Al

Núicléónuimhir	25
neutron number	12
Mais Adamhach Choibhneasta	24.990428308 ± 0.000000069 Da
G-fhachtóir	1.45788 ± 0.00048
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	7.1666 ± 0.0023 s
Guairne	5/2
nuclear quadrupole moment	0.24 ± 0.02
dáta fionnachtana nó tionscnaimh	1953
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

²⁶Al

Núicléónuimhir	26
neutron number	13
Mais Adamhach Choibhneasta	25.986891876 ± 0.000000071 Da
G-fhachtóir	0.5606 ± 0.0008
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	717 ± 24 ky
Guairne	5
nuclear quadrupole moment	0.26 ± 0.03
dáta fionnachtana nó tionscnaimh	1934
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

²⁷Al

Núicléónuimhir	27
neutron number	14
Mais Adamhach Choibhneasta	26.981538408 ± 0.00000005 Da
G-fhachtóir	1.45628 ± 0.000008
natural abundance	100
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	5/2
nuclear quadrupole moment	0.1466 ± 0.001
dáta fionnachtana nó tionscnaimh	1922
Paireacht	+

²⁸Al

Núicléónuimhir	28
neutron number	15
Mais Adamhach Choibhneasta	27.981910009 ± 0.000000052 Da
G-fhachtóir	1.0803333333333 ± 0.0016666666666667
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	2.245 ± 0.005 m
Guairne	3
nuclear quadrupole moment	0.172 ± 0.012
dáta fionnachtana nó tionscnaimh	1934
Paireacht	+

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

²⁹Al

Núicléónuimhir	29
neutron number	16
Mais Adamhach Choibhneasta	28.980453164 ± 0.00000037 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	6.56 ± 0.06 m
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1939
Paireacht	+

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

³⁰Al

Núicléónuimhir	30
neutron number	17
Mais Adamhach Choibhneasta	29.982969171 ± 0.000002077 Da
G-fhachtóir	1.004 ± 0.0023333333333333
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	3.62 ± 0.06 s
Guairne	3
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1961
Paireacht	+

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

³¹Al

Núicléónuimhir	31
neutron number	18
Mais Adamhach Choibhneasta	30.983949754 ± 0.0000024 Da
G-fhachtóir	1.5328 ± 0.002
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	644 ± 25 ms
Guairne	5/2
nuclear quadrupole moment	0.134 ± 0.002
dáta fionnachtana nó tionscnaimh	1971
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1.6%

³²Al

Núicléónuimhir	32
neutron number	19
Mais Adamhach Choibhneasta	31.988084338 ± 0.0000077 Da
G-fhachtóir	1.953 ± 0.002
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	32.6 ± 0.5 ms
Guairne	1
nuclear quadrupole moment	0.0255 ± 0.0003
dáta fionnachtana nó tionscnaimh	1971
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.7%

³³Al

Núicléónuimhir	33
neutron number	20
Mais Adamhach Choibhneasta	32.990877685 ± 0.0000075 Da
G-fhachtóir	1.636 ± 0.002
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	41.46 ± 0.09 ms
Guairne	5/2
nuclear quadrupole moment	0.141 ± 0.003
dáta fionnachtana nó tionscnaimh	1971
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	8.5%

³⁴Al

Núicléónuimhir	34
neutron number	21
Mais Adamhach Choibhneasta	33.996781924 ± 0.000002259 Da
G-fhachtóir	0.53925 ± 0.004
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	53.73 ± 0.13 ms
Guairne	4
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1977
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	26%
2n (2-neutron emission)

³⁵Al

Núicléónuimhir	35
neutron number	22
Mais Adamhach Choibhneasta	34.999759816 ± 0.0000079 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	38.16 ± 0.21 ms
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1979
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	35.8%
2n (2-neutron emission)

³⁶Al

Núicléónuimhir	36
neutron number	23
Mais Adamhach Choibhneasta	36.006388 ± 0.0001605 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	90 ± 40 ms
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1979
Paireacht

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	31%
2n (2-neutron emission)

³⁷Al

Núicléónuimhir	37
neutron number	24
Mais Adamhach Choibhneasta	37.010531 ± 0.0001935 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	11.4 ± 0.3 ms
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1979
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	52%
2n (2-neutron emission)	1%

³⁸Al

Núicléónuimhir	38
neutron number	25
Mais Adamhach Choibhneasta	38.017681 ± 0.000161 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	9 ± 0.7 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1989
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	84%
2n (2-neutron emission)

³⁹Al

Núicléónuimhir	39
neutron number	26
Mais Adamhach Choibhneasta	39.02307 ± 0.000322 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	7.6 ± 1.6 ms
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1989
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	97%
2n (2-neutron emission)

⁴⁰Al

Núicléónuimhir	40
neutron number	27
Mais Adamhach Choibhneasta	40.03094 ± 0.000322 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1996
Paireacht

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁴¹Al

Núicléónuimhir	41
neutron number	28
Mais Adamhach Choibhneasta	41.037134 ± 0.000429 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1997
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁴²Al

Núicléónuimhir	42
neutron number	29
Mais Adamhach Choibhneasta	42.045078 ± 0.000537 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2007
Paireacht

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁴³Al

Núicléónuimhir	43
neutron number	30
Mais Adamhach Choibhneasta	43.05182 ± 0.000644 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2007
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

stair

fionnachtaí nó aireagóir	Hans Christian Oersted
áit ar tháinig air/uirthi	Denmark
dáta fionnachtana nó tionscnaimh	1825
Sanasaíocht	Latin: alumen, aluminis, (alum).
pronunciation	ah-LOO-men-em (Béarla)

foinse

Abundance
Abundance in Earth's crust	82,300 mg/kg
natural abundance (aigéan)	0.002 mg/L
natural abundance (corp an duine)	0.00009 %
natural abundance (dreigeoideach)	0.91 %
natural abundance (An Ghrian)	0.006 %
Abundance in Universe	0.005 %

Nuclear Screening Constants

1	s	0.409
2	p	4.0366
2	s	4.7864
3	p	8.9344
3	s	8.8828

Alúmanam on ChemicalAid

Alúmanam (Al)

Physical Property

Chemical Property

eile

Isotopes of Aluminum

21Al

22Al

23Al

24Al

25Al

26Al

27Al

28Al

29Al

30Al

31Al

32Al

33Al

34Al

35Al

36Al

37Al

38Al

39Al

40Al

41Al

42Al

43Al

stair

foinse

Nuclear Screening Constants

²¹Al

²²Al

²³Al

²⁴Al

²⁵Al

²⁶Al

²⁷Al

²⁸Al

²⁹Al

³⁰Al

³¹Al

³²Al

³³Al

³⁴Al

³⁵Al

³⁶Al

³⁷Al

³⁸Al

³⁹Al

⁴⁰Al

⁴¹Al

⁴²Al

⁴³Al