Picture of Iodine
  

 Atomic No. Order:
next element

 Alphabetic Order:
previous element

  Periodic Table

  Ground State Electron Configuration of Iodine

  2, 8, 18,  

  18,  7  

 

F
9		Cl
17		Br
35		 I 
53		At
85		Uus
117		Uhs
167		Bus
217

Iodine

SymbolI
Atomic Number53
Grouphalogens
Relative Atomic Mass
12C = 12.0000		126.904 47 (3)   [Since 1985]
Atomic Radius  pm133
First Ionisation Energy
kJ mol -1		1008.4
Ionization energy (eV)10,4513
Electronegativity2.66
Density   kg m -34930 [293 K]
Molar Volume     cm 324.74
Thermal Conductivity
W m -1 K -1		0.449 [300 K]
Melting Point   K386.7
Boiling Point   K457.50
Number of Isotopes37
Isotope Atomic mass/u Mole fraction127I 126.904 468(4) 1.0000
Inner + outer Shells
  3  +  2   =5
Inner + outer Orbitals
  28  +  25   =53
Filling Orbital
  5p 5   
Ground State Electron
Configuration
[Kr]  4d 10    5s 2    5p 5      
Ground State Electron
Configuration with
free Orbital  (n=1)

 

  0, 0, 0, 0, 1  

Ground State Electron Configuration with free Orbitals of Iodine
Ground State Electron
Configuration with
compressed Orbitals (n=56)

 

  0, 0, 0, 14, 42  

Ground State Electron Configuration with compressed Orbitals of Iodine
 
Singularity
110= 28+25+1+56
 
 
s
p
d
 f
g
h
i
j
1
2
       
2
2
6
      
3
2
6
10
     
4
2
6
10

14

    
5
2
5
1

10

14

18
   
6
        
7
        
8
        
  
Term Symbol2P º 3/2
DiscoveryIt was discovered in
seaweed by the French chemist Bernard Courtois (Dijon) in 1811. It was named by the French chemist Louis-Joseph Gay-Lussac, when he proved it was an element in 1814.
 
Name Derived FromThe name derives from the Greek iodes for "violet" because of its violet vapors. 

[Picture]

APSIDIUM  ©  Created:    

2002-07-20

 

This page as PDF-file
053.pdf

Top Home

 Page update:  

2005-01-18