Calculate the magnetic moment of a divalent ion in aqueous solution if its atomic number is 25.

Explanation

To calculate the magnetic moment of a divalent ion with an atomic number of 25, follow these steps:

### Step 1: Identify the Element
The atomic number 25 corresponds to the element manganese (Mn).

### Step 2: Determine the Electron Configuration
The electron configuration of manganese in its neutral state is:
\[ \text{Mn: } [Ar] 3d^5 4s^2 \]
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