In 3d series , Mn shows highest oxidation state . Why ?

Explanation

To understand why manganese (Mn) shows the highest oxidation state in the 3d series of transition metals, we can break down the explanation into several steps:

### Step 1: Identify the Element and Its Atomic Number
Manganese (Mn) is the element in question, and it has an atomic number of 25.

### Step 2: Determine the Electronic Configuration
The electronic configuration of manganese can be determined as follows:
- The atomic number of manganese is 25, which means it has 25 electrons.
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