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Chemical Properties of Chromium and Manganese

Chromium
Manganese
Chemical Properties of Manganese and Chromium


Chemical Properties
Chemical Formula
Cr   
Mn   
Isotopes
  
  
Known Isotopes
21   
18
21   
18
Electronegativity
  
  
Pauling Electronegativity
1.66   
18
1.55   
25
Sanderson Electronegativity
1.66   
14
2.20   
7
Allred Rochow Electronegativity
1.56   
10
1.60   
9
Allen Electronegativity
1.65   
19
1.75   
15
Electropositivity
  
  
Pauling Electropositivity
2.34   
36
2.45   
29
Ionization Energies
  
  
1st Energy Level
26,130.00 kJ/mol   
1
717.30 kJ/mol   
30
2nd Energy Level
28,750.00 kJ/mol   
1
1,509.00 kJ/mol   
39
3rd Energy Level
34,230.00 kJ/mol   
1
3,248.00 kJ/mol   
21
4th Energy Level
37,066.00 kJ/mol   
1
4,940.00 kJ/mol   
20
5th Energy Level
97,510.00 kJ/mol   
1
6,990.00 kJ/mol   
17
6th Energy Level
105,800.00 kJ/mol   
1
9,220.00 kJ/mol   
16
7th Energy level
114,300.00 kJ/mol   
1
11,500.00 kJ/mol   
16
8th Energy Level
125,300.00 kJ/mol   
1
18,770.00 kJ/mol   
5
9th Energy Level
134,700.00 kJ/mol   
1
21,400.00 kJ/mol   
6
10th Energy Level
144,300.00 kJ/mol   
1
23,960.00 kJ/mol   
9
11th Energy Level
26,130.00 kJ/mol   
12
27,590.00 kJ/mol   
10
12th Energy Level
28,750.00 kJ/mol   
13
30,330.00 kJ/mol   
10
13th Energy Level
34,230.00 kJ/mol   
10
33,150.00 kJ/mol   
11
14th Energy Level
37,066.00 kJ/mol   
12
38,880.00 kJ/mol   
10
15th Energy Level
97,510.00 kJ/mol   
1
41,987.00 kJ/mol   
13
16th Energy Level
105,800.00 kJ/mol   
2
109,480.00 kJ/mol   
1
17th Energy Level
114,300.00 kJ/mol   
3
118,100.00 kJ/mol   
2
18th Energy Level
125,300.00 kJ/mol   
4
127,100.00 kJ/mol   
3
19th Energy Level
134,700.00 kJ/mol   
5
138,600.00 kJ/mol   
4
20th Energy Level
144,300.00 kJ/mol   
7
148,500.00 kJ/mol   
6
21st Energy Level
157,700.00 kJ/mol   
7
158,600.00 kJ/mol   
6
22nd Energy Level
166,090.00 kJ/mol   
6
172,500.00 kJ/mol   
5
23rd Energy Level
Not Available   
181,380.00 kJ/mol   
5
Electrochemical Equivalent
0.32 g/amp-hr   
99+
0.29 g/amp-hr   
99+
Electron Work Function
4.50 eV   
14
4.10 eV   
25
Other Chemical Properties
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes   
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