Which block of elements consists of metals, non metals and metalloids ?

Explanation

To solve the question "Which block of elements consists of metals, non-metals, and metalloids?", we can follow these steps:

### Step 1: Identify the Blocks of Elements
The periodic table is divided into four main blocks:
- S block
- P block
- D block
- F block

### Step 2: Analyze Each Block
1. **S Block**: This block primarily consists of alkali metals (Group 1) and alkaline earth metals (Group 2). It does not contain non-metals or metalloids.

2. **P Block**: This block contains a variety of elements:
- **Metals**: Aluminum, Gallium, Indium, Thallium, etc.
- **Non-metals**: Oxygen, Nitrogen, Chlorine, Bromine, Iodine, etc.
- **Metalloids**: Silicon, Germanium, etc.
Thus, the P block contains metals, non-metals, and metalloids.

3. **D Block**: This block consists of transition metals. It primarily contains metals and does not include non-metals or metalloids.

4. **F Block**: This block includes lanthanides and actinides, which are primarily metals. It does not contain non-metals or metalloids.

### Step 3: Conclusion
Based on the analysis, the P block is the only block that contains metals, non-metals, and metalloids.

### Final Answer
The block of elements that consists of metals, non-metals, and metalloids is the **P block**.

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