What do you understand by metalloid?

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Metalloids:**
Metalloids are chemical elements that have properties intermediate between metals and non-metals. They exhibit characteristics of both classes of elements.

2. **Properties of Metalloids:**
- Metalloids possess some metallic properties, such as conductivity and luster.
- They also have non-metallic properties, such as brittleness and the ability to form covalent bonds.
...