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Chemical Properties of Tantalum and Samarium

Tantalum
Samarium
Chemical Properties of Samarium and Tantalum


Chemical
Chemical Formula
Ta  
Sm  
Isotopes
  
  
Known Isotopes
31  
8
30  
9
Electronegativity
  
  
Pauling Electronegativity
1.50  
28
1.17  
99+
Sanderson Electronegativity
1.50  
18
1.17  
33
Allred Rochow Electronegativity
1.33  
23
1.07  
33
Mulliken-Jaffe Electronegativity
1.50  
26
1.17  
40
Allen Electronegativity
1.34  
38
1.17  
99+
Electropositivity
  
  
Pauling Electropositivity
2.50  
27
2.83  
14
Ionization Energies
  
  
1st Energy Level
761.00 kJ/mol  
18
544.50 kJ/mol  
99+
2nd Energy Level
1,500.00 kJ/mol  
99+
1,070.00 kJ/mol  
99+
3rd Energy Level
761.00 kJ/mol  
99+
2,260.00 kJ/mol  
99+
4th Energy Level
7,610.00 kJ/mol  
9
3,990.00 kJ/mol  
99+
5th Energy Level
7,610.00 kJ/mol  
19
5,445.00 kJ/mol  
99+
6th Energy Level
7,610.00 kJ/mol  
36
5,445.00 kJ/mol  
99+
7th Energy level
7,610.00 kJ/mol  
30
5,445.00 kJ/mol  
99+
8th Energy Level
7,610.00 kJ/mol  
30
5,400.00 kJ/mol  
99+
9th Energy Level
7,610.00 kJ/mol  
26
5,440.00 kJ/mol  
99+
10th Energy Level
7,610.00 kJ/mol  
30
5,445.00 kJ/mol  
99+
11th Energy Level
7,610.00 kJ/mol  
29
5,445.00 kJ/mol  
99+
12th Energy Level
7,610.00 kJ/mol  
99+
5,440.00 kJ/mol  
99+
13th Energy Level
7,610.00 kJ/mol  
22
5,445.00 kJ/mol  
99+
14th Energy Level
7,610.00 kJ/mol  
19
5,450.00 kJ/mol  
99+
15th Energy Level
76,100.00 kJ/mol  
19
54,450.00 kJ/mol  
99+
16th Energy Level
76,100.00 kJ/mol  
14
54,400.00 kJ/mol  
99+
17th Energy Level
761.00 kJ/mol  
35
544.50 kJ/mol  
99+
18th Energy Level
7,610.00 kJ/mol  
25
5,445.00 kJ/mol  
99+
19th Energy Level
761.00 kJ/mol  
32
544.50 kJ/mol  
99+
20th Energy Level
761.00 kJ/mol  
26
624.00 kJ/mol  
99+
21st Energy Level
761.00 kJ/mol  
99+
544.50 kJ/mol  
99+
22nd Energy Level
761.00 kJ/mol  
20
624.00 kJ/mol  
37
23rd Energy Level
761.00 kJ/mol  
99+
544.50 kJ/mol  
99+
24th Energy Level
761.00 kJ/mol  
16
544.50 kJ/mol  
99+
25th Energy Level
761.00 kJ/mol  
16
544.00 kJ/mol  
99+
26th Energy Level
761.00 kJ/mol  
16
544.50 kJ/mol  
99+
27th Energy Level
761.00 kJ/mol  
15
544.50 kJ/mol  
99+
28th Energy Level
761.00 kJ/mol  
21
544.50 kJ/mol  
99+
29th Energy Level
761.00 kJ/mol  
22
544.50 kJ/mol  
99+
30th Energy Level
761.00 kJ/mol  
16
544.00 kJ/mol  
99+
Electrochemical Equivalent
1.35 g/amp-hr  
99+
1.87 g/amp-hr  
38
Electron Work Function
4.25 eV  
28
2.70 eV  
99+
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Ionization, Radioactive Isotopes  
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