The sum of oxidation states of all P atoms in the following compound of phosphorus is _____ .
`P_4, PH_3, H_3PO_2, P_2O_5, H_3PO_3, H_3PO_4`

Explanation

To find the sum of oxidation states of all phosphorus (P) atoms in the given compounds, we will analyze each compound one by one.

### Step-by-Step Solution:

1. **Identify the Compounds**: We have the following phosphorus compounds:
- \( P_4 \)
- \( PH_3 \)
- \( H_3PO_2 \)
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