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Chemical Properties of Scandium and Iridium

Scandium
Iridium
Chemical Properties of Iridium and Scandium


Chemical Properties
Chemical Formula
Sc   
Ir   
Isotopes
  
  
Known Isotopes
13   
26
34   
5
Electronegativity
  
  
Pauling Electronegativity
1.36   
29
2.20   
4
Sanderson Electronegativity
1.02   
21
Not Available   
Allred Rochow Electronegativity
1.20   
27
1.55   
11
Allen Electronegativity
1.19   
36
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
2.64   
25
1.80   
99+
Ionization Energies
  
  
1st Energy Level
633.10 kJ/mol   
99+
880.00 kJ/mol   
9
2nd Energy Level
1,235.00 kJ/mol   
99+
1,600.00 kJ/mol   
35
3rd Energy Level
2,388.60 kJ/mol   
99+
Not Available   
4th Energy Level
7,090.60 kJ/mol   
6
Not Available   
5th Energy Level
8,843.00 kJ/mol   
6
Not Available   
6th Energy Level
10,679.00 kJ/mol   
7
Not Available   
7th Energy level
13,310.00 kJ/mol   
8
Not Available   
8th Energy Level
15,250.00 kJ/mol   
11
Not Available   
9th Energy Level
17,370.00 kJ/mol   
14
Not Available   
10th Energy Level
21,726.00 kJ/mol   
13
Not Available   
11th Energy Level
24,102.00 kJ/mol   
16
Not Available   
12th Energy Level
66,320.00 kJ/mol   
2
Not Available   
13th Energy Level
73,010.00 kJ/mol   
2
Not Available   
14th Energy Level
80,160.00 kJ/mol   
3
Not Available   
15th Energy Level
89,490.00 kJ/mol   
4
Not Available   
16th Energy Level
97,400.00 kJ/mol   
5
Not Available   
17th Energy Level
105,600.00 kJ/mol   
6
Not Available   
18th Energy Level
117,000.00 kJ/mol   
7
Not Available   
19th Energy Level
124,270.00 kJ/mol   
8
Not Available   
Electrochemical Equivalent
0.56 g/amp-hr   
99+
1.14 g/amp-hr   
99+
Electron Work Function
3.50 eV   
31
4.55 eV   
13
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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