An element having atomic number 17 and belongs to halogens is _____

Options

A. Li
B. F
C. K
D. Cl

Explanation

To solve the question, "An element having atomic number 17 and belongs to halogens is _____", we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Atomic Number**: The question states that we are looking for an element with atomic number 17.

2. **Know the Halogen Group**: The halogens are a group of elements in the periodic table. The halogens include:
- Fluorine (F) - Atomic number 9
- Chlorine (Cl) - Atomic number 17
- Bromine (Br) - Atomic number 35
- Iodine (I) - Atomic number 53
- Astatine (At) - Atomic number 85

3. **Locate Atomic Number 17**: From the list of halogens, we can see that chlorine (Cl) has an atomic number of 17.

4. **Conclusion**: Therefore, the element with atomic number 17 that belongs to the halogens is chlorine.

### Final Answer:
The element having atomic number 17 and belongs to halogens is **Chlorine (Cl)**.

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