42
Mo
Molybdenum
95.94 | 2
8
18
13
1
|
42
Mo
Molybdenum
95.94 | 2
8
18
13
1
|
| General |
|---|
| Name | Molybdenum | | Symbol | Mo | | Number | 42 | | Chemical series | Transition elements | | Group / Period | 6 / 5 | | Block | d-block | | CAS registry number | 7439-98-7 |
| Physical properties |
|---|
| State | solid | | Density | 10.28 g/cm3 | | Melting point | 2896 K (2623 °C, 4753 °F) | | Boiling point | 4912 K (4639 °C, 8382 °F) | | Critical point | |
| Atomic properties |
|---|
| Atomic Weight | 95.94 g/mol | | Crystal structure | cubic body centered | | Electronegativity | 2.16 | | Atomic radius | 145 pm | | Atomic radius (calculated) | 190 pm | | Electron configuration | [Kr] 4d5 5s1 | | Electrons per shell | 2, 8, 18, 13, 1 | | Number of protons | 42 | | Number of neutrons | 54 |
|
Technetium