Mo
Molybdenum Symbol (Mo)
Molybdenum is element 42 of the periodic table. Copy its symbol Mo and see its atomic weight, electron configuration and physical properties.
What does Mo mean?
Mo is the chemical symbol for molybdenum, element number 42 in the periodic table. Molybdenum is a transition metal in group 6, period 5. It is a solid at room temperature and was discovered in 1778.
Codes and properties
| Chemical symbol | Mo |
|---|---|
| Atomic number (Z) | 42 |
| Atomic weight (PubChem) | 95.95 |
| Group / period | 6 / 5 |
| Element category | transition metal |
| Electron configuration | [Kr]5s¹ 4d⁵ |
| State at 20 °C | Solid |
| Oxidation states | +6 |
| Electronegativity (Pauling) | 2.16 |
| Melting point | 2896 K (2622.85 °C) |
| Boiling point | 4912 K (4638.85 °C) |
| Density | 10.2 g/cm³ |
| Discovered | 1778 |
How to type Mo
- Plain text: type
Mo— element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as H₂O — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Mo}in math mode, or use the mhchem package:\ce{Mo}. - HTML:
Mo; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for molybdenum?
The chemical symbol for molybdenum is Mo.
What is the atomic number of molybdenum?
Molybdenum has atomic number 42, meaning each atom has 42 protons.
What is the electron configuration of molybdenum?
The ground-state electron configuration of molybdenum is [Kr]5s¹ 4d⁵.
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Reference: Molybdenum on PubChem (NIH)