The valence electrons of an element are respon­sible for

Options

A. physical properties of an element
B. chemical properties of an element
C. both the properties
D. none of these

Answer

To answer the question regarding the role of valence electrons in an element, we can break it down step by step:

### Step-by-Step Solution:

1. **Understand Valence Electrons**:
- Valence electrons are the electrons located in the outermost shell of an atom. They play a crucial role in determining how an element reacts chemically with other elements.

2. **Identify the Role of Valence Electrons**:
- Valence electrons are primarily responsible for the chemical properties of an element. They determine how an element bonds with others, its reactivity, and the types of chemical reactions it can undergo.

3. **Consider Physical Properties**:
- While valence electrons influence chemical properties, they can also indirectly affect some physical properties (like conductivity and melting/boiling points) due to the bonding and structure they create in compounds.

4. **Conclusion**:
- The valence electrons of an element are responsible for its chemical properties, and to some extent, they can influence its physical properties as well.

### Final Answer:
The valence electrons of an element are responsible for its chemical properties.

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