Metals like Cu, Ag, Zn, Hg and Pb occur in nature as sulphides rather than oxides ? Why ?

Explanation

To answer the question of why metals like Cu, Ag, Zn, Hg, and Pb occur in nature as sulfides rather than oxides, we can break down the explanation into the following steps:

### Step-by-Step Solution:

1. **Understanding Metal Cations**:
- The metals in question (Cu, Ag, Hg, Pb) exist as cations in their ionic forms (Cu⁺, Ag⁺, Hg²⁺, Pb²⁺).

2. **Configuration of Cations**:
...