Which types of elements take part in hydrogen bonding ?

Answer

To answer the question "Which types of elements take part in hydrogen bonding?", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Hydrogen Bonding**:
- Hydrogen bonding is a type of attractive interaction that occurs between a hydrogen atom covalently bonded to a highly electronegative atom and another electronegative atom.

2. **Identifying Electronegativity**:
- Electronegativity is the tendency of an atom to attract electrons towards itself. The more electronegative an atom is, the stronger its ability to attract electrons.

3. **Key Elements Involved in Hydrogen Bonding**:
- The elements that are most commonly involved in hydrogen bonding are:
- **Nitrogen (N)**
- **Oxygen (O)**
- **Fluorine (F)**

4. **Examples of Hydrogen Bonding**:
- **Ammonia (NH₃)**: In ammonia, nitrogen is the electronegative atom that forms hydrogen bonds with other molecules.
- **Water (H₂O)**: In water, oxygen is the electronegative atom that forms hydrogen bonds with other water molecules.
- **Hydrogen Fluoride (HF)**: In HF, fluorine is the electronegative atom that forms hydrogen bonds.

5. **Conclusion**:
- Therefore, the types of elements that take part in hydrogen bonding are primarily nitrogen, oxygen, and fluorine due to their high electronegativity.

### Final Answer:
The elements that take part in hydrogen bonding are nitrogen (N), oxygen (O), and fluorine (F).

---