The element which is electropositive in nature?

Options

A. Sulphur
B. Silicon
C. Boron
D. Copper

Explanation

To determine which element among sulfur, silicon, boron, and copper is the most electropositive, we need to analyze the electronic configurations and the tendency of each element to donate electrons.

### Step-by-Step Solution:

1. **Understanding Electropositivity**:
- Electropositive elements are those that tend to lose electrons easily and form positive ions. They are typically metals or metalloids.

2. **Analyzing the Elements**:
- **Sulfur (S)**:
- Electronic configuration: Ne 3s² 3p⁴
- Sulfur has a tendency to gain electrons to achieve a stable octet, making it more electronegative than electropositive.

- **Silicon (Si)**:
- Electronic configuration: Ne 3s² 3p²
- Silicon can donate 2 electrons, but it is less reactive compared to other elements in this list.

- **Boron (B)**:
- Electronic configuration: He 2s² 2p¹
- Boron can easily donate 1 electron, making it more reactive and electropositive compared to silicon and sulfur.

- **Copper (Cu)**:
- Electronic configuration: Ar 3d¹⁰ 4s¹
- Copper can donate 1 electron but also has the ability to accept electrons, making it less electropositive than boron.

3. **Comparing Electropositivity**:
- Among the elements:
- Sulfur is not electropositive as it tends to gain electrons.
- Silicon can donate 2 electrons but is less reactive.
- Boron can donate 1 electron and is very reactive.
- Copper can donate and accept electrons but is less reactive than boron.

4. **Conclusion**:
- Comparing the tendencies to donate electrons, boron is the most electropositive element among the given options, as it has the highest reactivity in donating its single electron.

### Final Answer:
The element which is electropositive in nature is **Boron**.

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