Aluminium
  

 Atomic No. Order:
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 Alphabetic Order:
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Periodic Table

Ground State Electron Configuration

  2, 8,  

  3  

 

B
5		Al
13		Ga
31		In
49		Tl
81		Uut
113		Uht
163		But
213

Aluminium

SymbolAl
Atomic Number13
Relative Atomic Mass
12C = 12.0000		26.981538
Atomic Radius  pm143
First Ionisation Energy
kJ mol -1		577.4
Ionisation Energy (eV)5,9858
Electronegativity1.61
Density
kg m -3		2698 [293 K]
2390 [m.p.]
Molar Volume  cm 310.00
Thermal Conductivity
W m -1 K -1		237 [300 K]
Melting Point  K933.52
Boiling Point  K2740
Number of Isotopes11
Inner + outer Shells
  2  +  1   =3
Inner + outer Orbitals
  10  +  3   =13
Filling Orbital
  3p 1   
Ground State Electron
Configuration 
[Ne] 3s 2   3p 1      
Ground State Electron
Co nfiguration with
free Orbitals (n= 5)
 

  0, 0, 5  

 

Ground State Electron Configuration with free Orbitals of Aluminium
Ground State Electron
Configuration with
compressed Orbitals (n=10)
 

  0, 0, 10  

 

Ground State Electron Configuration with compressed of Aluminium
Singularity
28= 10+3+5+10
 spd fghij
12

 

 

 

 

 

 

 

2

2

6

 

 

 

 

 

 

3

2

1510

 

 

 

 

 

4

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

Term Symbol2P 1/2
DiscoveryDiscovered by Oersted (Copenhagen, Denmark) in 1825
Name Derived FromLatin alumen meaning 'alum'
 
 

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APSIDIUM  ©  Created:    

2002- 06-06

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2004-12-12