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Chemical Properties of Yttrium and Iridium

Yttrium
Iridium
Chemical Properties of Iridium and Yttrium


Chemical Properties
Chemical Formula
Y   
Ir   
Isotopes
  
  
Known Isotopes
19   
20
34   
5
Electronegativity
  
  
Pauling Electronegativity
1.22   
38
2.20   
4
Sanderson Electronegativity
0.65   
29
Not Available   
Allred Rochow Electronegativity
1.11   
29
1.55   
11
Allen Electronegativity
1.12   
38
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
2.78   
16
1.80   
99+
Ionization Energies
  
  
1st Energy Level
600.00 kJ/mol   
99+
880.00 kJ/mol   
9
2nd Energy Level
1,180.00 kJ/mol   
99+
1,600.00 kJ/mol   
35
3rd Energy Level
1,980.00 kJ/mol   
99+
Not Available   
4th Energy Level
5,847.00 kJ/mol   
10
Not Available   
5th Energy Level
7,430.00 kJ/mol   
14
Not Available   
6th Energy Level
8,970.00 kJ/mol   
17
Not Available   
7th Energy level
11,190.00 kJ/mol   
18
Not Available   
8th Energy Level
12,450.00 kJ/mol   
18
Not Available   
9th Energy Level
14,110.00 kJ/mol   
19
Not Available   
10th Energy Level
18,400.00 kJ/mol   
17
Not Available   
11th Energy Level
19,900.00 kJ/mol   
18
Not Available   
12th Energy Level
36,090.00 kJ/mol   
5
Not Available   
Electrochemical Equivalent
1.11 g/amp-hr   
99+
1.14 g/amp-hr   
99+
Electron Work Function
3.10 eV   
35
4.55 eV   
13
Other Chemical Properties
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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