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Chemical Properties of Radium and Scandium


Chemical Properties of Scandium and Radium


Chemical Properties

Chemical Formula
Ra   
Sc   

Isotopes
  
  

Known Isotopes
33   
6
13   
26

Electronegativity
  
  

Pauling Electronegativity
0.90   
99+
1.36   
29

Sanderson Electronegativity
Not Available   
1.02   
21

Allred Rochow Electronegativity
0.97   
38
1.20   
27

Mulliken-Jaffe Electronegativity
0.92   
20
Not Available   

Allen Electronegativity
0.89   
99+
1.19   
36

Electropositivity
  
  

Pauling Electropositivity
3.10   
5
2.64   
25

Ionization Energies
  
  

1st Energy Level
509.30 kJ/mol   
99+
633.10 kJ/mol   
99+

2nd Energy Level
979.00 kJ/mol   
99+
1,235.00 kJ/mol   
99+

3rd Energy Level
Not Available   
2,388.60 kJ/mol   
99+

4th Energy Level
Not Available   
7,090.60 kJ/mol   
6

5th Energy Level
Not Available   
8,843.00 kJ/mol   
6

6th Energy Level
Not Available   
10,679.00 kJ/mol   
7

7th Energy level
Not Available   
13,310.00 kJ/mol   
8

8th Energy Level
Not Available   
15,250.00 kJ/mol   
11

9th Energy Level
Not Available   
17,370.00 kJ/mol   
14

10th Energy Level
Not Available   
21,726.00 kJ/mol   
13

11th Energy Level
Not Available   
24,102.00 kJ/mol   
16

12th Energy Level
Not Available   
66,320.00 kJ/mol   
2

13th Energy Level
Not Available   
73,010.00 kJ/mol   
2

14th Energy Level
Not Available   
80,160.00 kJ/mol   
3

15th Energy Level
Not Available   
89,490.00 kJ/mol   
4

16th Energy Level
Not Available   
97,400.00 kJ/mol   
5

17th Energy Level
Not Available   
105,600.00 kJ/mol   
6

18th Energy Level
Not Available   
117,000.00 kJ/mol   
7

19th Energy Level
Not Available   
124,270.00 kJ/mol   
8

Electrochemical Equivalent
4.22 g/amp-hr   
6
0.56 g/amp-hr   
99+

Electron Work Function
Not Available   
3.50 eV   
31

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   

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