The atomic number of Mn is 25. Only use this information to decide the electronic configuration of the device. Manganese has the chemical symbol Mn as well as the atomic number 25. It is a transition metal that is solid at ambient temperature.
- It would be far too brittle to be useful as a pure metal. This is primarily found in alloys such as steel.
- This can be combined with aluminum, antimony, and copper to make extremely magnetostrictive alloys.
- It is used as catalysis, a polymer addition, and also to decolorize green-colored glass caused by iron impurities.
- According to Chemicool, it is required for photosynthesis and is used to produce oxygen.
[tex]\to Mn: 1s^2 \ 2s^2 \ 2p^6 \ 3s^2 \ 3p^6 \ 4s^2 \ 3d^5 \\\\ OR\\\\ \to \ \ \text{simply}\ [Ar] \ 4s^2\ 3d^5.[/tex]
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