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Chemical Properties of Manganese and Chromium

Manganese
Chromium
Chemical Properties of Chromium and Manganese


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