Name the elements which are not really transition elements but are discussed with them. Why is is so?

Explanation

**Step-by-Step Solution:**

1. **Understanding Transition Elements:**
- Transition elements are defined as those elements that have partially filled d orbitals in their neutral state or in their most common oxidation state.

2. **Identifying Non-Transition Elements:**
- The elements that are not considered true transition elements but are often discussed with them are zinc (Zn), cadmium (Cd), and mercury (Hg).

...