The particles present in strong electrolytes are

Options

A. only molecules
B. mainly ions
C. ions ad molecules
D. only atoms

Answer

**Step-by-Step Solution:**

1. **Understand the Definition of Strong Electrolyte:**
A strong electrolyte is a substance that completely or almost completely dissociates into ions when dissolved in a solvent, typically water. This means that in a solution, the strong electrolyte breaks down into its constituent ions.

2. **Identify the Particles Present:**
Since a strong electrolyte dissociates fully into ions, the primary particles present in a strong electrolyte solution are ions.

3. **Consider the Options Given:**
The options provided are:
- Only molecules
- Mainly ions
- Ions and molecules
- Only atoms

Based on the definition, we can eliminate "only molecules," "ions and molecules," and "only atoms" since strong electrolytes do not exist as molecules or atoms in solution, but rather as ions.

4. **Select the Correct Answer:**
The correct answer is "mainly ions" because strong electrolytes consist predominantly of ions in their dissolved state, which are responsible for conducting electricity.

**Final Answer:**
The particles present in strong electrolytes are mainly ions.

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