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Chemical Properties of Iridium and Chromium

Iridium
Chromium
Chemical Properties of Chromium and Iridium


Chemical Properties
Chemical Formula
Ir   
Cr   
Isotopes
  
  
Known Isotopes
34   
5
21   
18
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
1.66   
18
Sanderson Electronegativity
Not Available   
1.66   
14
Allred Rochow Electronegativity
1.55   
11
1.56   
10
Allen Electronegativity
1.68   
17
1.65   
19
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.34   
36
Ionization Energies
  
  
1st Energy Level
880.00 kJ/mol   
9
26,130.00 kJ/mol   
1
2nd Energy Level
1,600.00 kJ/mol   
35
28,750.00 kJ/mol   
1
3rd Energy Level
Not Available   
34,230.00 kJ/mol   
1
4th Energy Level
Not Available   
37,066.00 kJ/mol   
1
5th Energy Level
Not Available   
97,510.00 kJ/mol   
1
6th Energy Level
Not Available   
105,800.00 kJ/mol   
1
7th Energy level
Not Available   
114,300.00 kJ/mol   
1
8th Energy Level
Not Available   
125,300.00 kJ/mol   
1
9th Energy Level
Not Available   
134,700.00 kJ/mol   
1
10th Energy Level
Not Available   
144,300.00 kJ/mol   
1
11th Energy Level
Not Available   
26,130.00 kJ/mol   
12
12th Energy Level
Not Available   
28,750.00 kJ/mol   
13
13th Energy Level
Not Available   
34,230.00 kJ/mol   
10
14th Energy Level
Not Available   
37,066.00 kJ/mol   
12
15th Energy Level
Not Available   
97,510.00 kJ/mol   
1
16th Energy Level
Not Available   
105,800.00 kJ/mol   
2
17th Energy Level
Not Available   
114,300.00 kJ/mol   
3
18th Energy Level
Not Available   
125,300.00 kJ/mol   
4
19th Energy Level
Not Available   
134,700.00 kJ/mol   
5
20th Energy Level
Not Available   
144,300.00 kJ/mol   
7
21st Energy Level
Not Available   
157,700.00 kJ/mol   
7
22nd Energy Level
Not Available   
166,090.00 kJ/mol   
6
Electrochemical Equivalent
1.14 g/amp-hr   
99+
0.32 g/amp-hr   
99+
Electron Work Function
4.55 eV   
13
4.50 eV   
14
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility   
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