Aluminium

Aluminium (Al)

metallic chemical element of silvery appearance with symbol Al and atomic number 13
Atomic Number13
Atomic Weight26.9815385
Massagetal27
Group13
Period3
Blockp
proton13 p+
neutron14 n0
elektron13 e-
Animated Bohr model of Al (Aluminium)

Physical Property

Atoomradius
125 pm
molar volume
Covalent Radius
126 pm
Metallic Radius
125 pm
Ioonradius
39 pm
Crystal Radius
53 pm
Van der Waals radius
184 pm
density
2,7 g/cm³
Atomic Radii Of The Elements: Aluminium0102030405060708090100110120130140150160170180190pmAtoomradiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
electron affinity
0,43283 eV/particle
ionization energy
5,9857684 eV/particle
ionization energy of Al (Aluminium)
Verdampingswarmte
284,1 kJ/mol
smeltingswarmte
10,75 kJ/mol
Vormingsentalpie
330,9 kJ/mol
elektron
Elektronskil2, 8, 3
Bohr model: Al (Aluminium)
Valenselektrone3
Lewisteorie: Al (Aluminium)
elektronkonfigurasie[Ne] 3s2 3p1
1s2 2s2 2p6 3s2 3p1
Enhanced Bohr model of Al (Aluminium)
Orbital Diagram of Al (Aluminium)
Oksidasietoestand-2, -1, 0, 1, 2, 3
Elektronegatiwiteit
1.61
Electrophilicity Index
0,9274010094475963 eV/particle
fundamental state of matter
phase of matterSolid
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
kleur
Silver
appearancesilvery gray metallic
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion
0,0000231 1/K
molar heat capacity
Specific Heat Capacity
0,897 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
Geleidingsvermoë
38 MS/m
Elektriese resistiwiteit
0,000000026 m Ω
superconductivity
1,175 K
Magnetisme
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000078 m³/Kg
magnetic susceptibility (Molar)
0,00000000021 m³/mol
magnetic susceptibility (Volume)
0,0000211
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureFace Centered Cubic (FCC)
lattice constant
4,05 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
2,75 MPa
Massamodulus
76 GPa
Skuifmodulus
26 GPa
Young se modulus
70 GPa
Poisson se verhouding
0,35
Spoed van klank
5 100 m/s
classification
CategoryPost-transition metals, Poor metals
CAS GroupIIIB
IUPAC GroupIIIA
Glawe Number78
Mendeleev Number82
Pettifor Number80
Geochemical Classmajor
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
57,8 ± 1 a₀
C6 Dispersion Coefficient
528 a₀
allotrope
Neutron cross section
0,233
Neutron Mass Absorption
0,03
quantum number2P1/2
Ruimtegroep225 (Fm_3m)

Isotopes of Aluminum

Stable Isotopes1
Unstable Isotopes22
Natural Isotopes1

21Al

Massagetal21
neutron number8
relative atomic mass
21,029082 ± 0,000644 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin5/2
nuclear quadrupole moment
ontdekkingsdatum
parity+

decay modeintensity
p (proton emission)

22Al

Massagetal22
neutron number9
relative atomic mass
22,01954 ± 0,00043 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
91,1 ± 0,5 ms
spin4
nuclear quadrupole moment
ontdekkingsdatum1982
parity

decay modeintensity
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

Massagetal23
neutron number10
relative atomic mass
23,007244351 ± 0,00000037 Da
g-factor
1,556 ± 0,008
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
446 ± 6 ms
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1969
parity+

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

24Al

Massagetal24
neutron number11
relative atomic mass
23,999947598 ± 0,000000244 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,053 ± 0,004 s
spin4
nuclear quadrupole moment
ontdekkingsdatum1953
parity+

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

25Al

Massagetal25
neutron number12
relative atomic mass
24,990428308 ± 0,000000069 Da
g-factor
1,45788 ± 0,00048
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
7,1666 ± 0,0023 s
spin5/2
nuclear quadrupole moment
0,24 ± 0,02
ontdekkingsdatum1953
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

26Al

Massagetal26
neutron number13
relative atomic mass
25,986891876 ± 0,000000071 Da
g-factor
0,5606 ± 0,0008
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
717 ± 24 ky
spin5
nuclear quadrupole moment
0,26 ± 0,03
ontdekkingsdatum1934
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

27Al

Massagetal27
neutron number14
relative atomic mass
26,981538408 ± 0,00000005 Da
g-factor
1,45628 ± 0,000008
natural abundance
100
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
0,1466 ± 0,001
ontdekkingsdatum1922
parity+

28Al

Massagetal28
neutron number15
relative atomic mass
27,981910009 ± 0,000000052 Da
g-factor
1,0803333333333 ± 0,0016666666666667
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,245 ± 0,005 m
spin3
nuclear quadrupole moment
0,172 ± 0,012
ontdekkingsdatum1934
parity+

decay modeintensity
β (β decay)100%

29Al

Massagetal29
neutron number16
relative atomic mass
28,980453164 ± 0,00000037 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,56 ± 0,06 m
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1939
parity+

decay modeintensity
β (β decay)100%

30Al

Massagetal30
neutron number17
relative atomic mass
29,982969171 ± 0,000002077 Da
g-factor
1,004 ± 0,0023333333333333
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,62 ± 0,06 s
spin3
nuclear quadrupole moment
ontdekkingsdatum1961
parity+

decay modeintensity
β (β decay)100%

31Al

Massagetal31
neutron number18
relative atomic mass
30,983949754 ± 0,0000024 Da
g-factor
1,5328 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
644 ± 25 ms
spin5/2
nuclear quadrupole moment
0,134 ± 0,002
ontdekkingsdatum1971
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.6%

32Al

Massagetal32
neutron number19
relative atomic mass
31,988084338 ± 0,0000077 Da
g-factor
1,953 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
32,6 ± 0,5 ms
spin1
nuclear quadrupole moment
0,0255 ± 0,0003
ontdekkingsdatum1971
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.7%

33Al

Massagetal33
neutron number20
relative atomic mass
32,990877685 ± 0,0000075 Da
g-factor
1,636 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
41,46 ± 0,09 ms
spin5/2
nuclear quadrupole moment
0,141 ± 0,003
ontdekkingsdatum1971
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)8.5%

34Al

Massagetal34
neutron number21
relative atomic mass
33,996781924 ± 0,000002259 Da
g-factor
0,53925 ± 0,004
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
53,73 ± 0,13 ms
spin4
nuclear quadrupole moment
ontdekkingsdatum1977
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)26%
2n (2-neutron emission)

35Al

Massagetal35
neutron number22
relative atomic mass
34,999759816 ± 0,0000079 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
38,16 ± 0,21 ms
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1979
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)35.8%
2n (2-neutron emission)

36Al

Massagetal36
neutron number23
relative atomic mass
36,006388 ± 0,0001605 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
90 ± 40 ms
spin
nuclear quadrupole moment
ontdekkingsdatum1979
parity

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)31%
2n (2-neutron emission)

37Al

Massagetal37
neutron number24
relative atomic mass
37,010531 ± 0,0001935 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
11,4 ± 0,3 ms
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1979
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)52%
2n (2-neutron emission)1%

38Al

Massagetal38
neutron number25
relative atomic mass
38,017681 ± 0,000161 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
9 ± 0,7 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1989
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)84%
2n (2-neutron emission)

39Al

Massagetal39
neutron number26
relative atomic mass
39,02307 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
7,6 ± 1,6 ms
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1989
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)97%
2n (2-neutron emission)

40Al

Massagetal40
neutron number27
relative atomic mass
40,03094 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum1996
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

41Al

Massagetal41
neutron number28
relative atomic mass
41,037134 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1997
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

42Al

Massagetal42
neutron number29
relative atomic mass
42,045078 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum2007
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

43Al

Massagetal43
neutron number30
relative atomic mass
43,05182 ± 0,000644 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin5/2
nuclear quadrupole moment
ontdekkingsdatum2007
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Aluminium-4
Aluminium bar surface etched

geskiedenis

Ontdek deurHans Christian Oersted
ligging van ontdekkingDenmark
ontdekkingsdatum1825
etimologieLatin: alumen, aluminis, (alum).
uitspraakah-LOO-men-em (Engels)

source

Abundance
Abundance in Earth's crust
82 300 mg/kg
natural abundance (oseaan)
0,002 mg/L
natural abundance (human body)
0,00009 %
natural abundance (Meteoroïde)
0,91 %
natural abundance (Son)
0,006 %
Abundance in Universe
0,005 %

Nuclear Screening Constants

1s0.409
2p4.0366
2s4.7864
3p8.9344
3s8.8828