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Chemical Properties of Radium and Chromium

Radium
Chromium
Chemical Properties of Chromium and Radium


Chemical Properties
Chemical Formula
Ra   
Cr   
Isotopes
  
  
Known Isotopes
33   
6
21   
18
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
1.66   
18
Sanderson Electronegativity
Not Available   
1.66   
14
Allred Rochow Electronegativity
0.97   
38
1.56   
10
Mulliken-Jaffe Electronegativity
0.92   
20
Not Available   
Allen Electronegativity
0.89   
99+
1.65   
19
Electropositivity
  
  
Pauling Electropositivity
3.10   
5
2.34   
36
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol   
99+
26,130.00 kJ/mol   
1
2nd Energy Level
979.00 kJ/mol   
99+
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
4.22 g/amp-hr   
6
0.32 g/amp-hr   
99+
Electron Work Function
Not Available   
4.50 eV   
14
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility   
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