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Chemical Properties of Yttrium and Radium

Yttrium
Radium
Chemical Properties of Radium and Yttrium


Chemical Properties
Chemical Formula
Y   
Ra   
Isotopes
  
  
Known Isotopes
19   
20
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.22   
38
0.90   
99+
Sanderson Electronegativity
0.65   
29
Not Available   
Allred Rochow Electronegativity
1.11   
29
0.97   
38
Mulliken-Jaffe Electronegativity
Not Available   
0.92   
20
Allen Electronegativity
1.12   
38
0.89   
99+
Electropositivity
  
  
Pauling Electropositivity
2.78   
16
3.10   
5
Ionization Energies
  
  
1st Energy Level
600.00 kJ/mol   
99+
509.30 kJ/mol   
99+
2nd Energy Level
1,180.00 kJ/mol   
99+
979.00 kJ/mol   
99+
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+
4.22 g/amp-hr   
6
Electron Work Function
3.10 eV   
35
Not Available   
Other Chemical Properties
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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