Do all non-metals exist in two states - solids and gases only ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Non-Metals**: Begin by recognizing what non-metals are. Non-metals are elements that typically lack the characteristics of metals and have varied physical and chemical properties.

2. **States of Matter**: Recall the three primary states of matter: solid, liquid, and gas.

3. **Common States of Non-Metals**: Most non-metals are found in solid or gaseous states at room temperature. For example, carbon (solid) and oxygen (gas) are common non-metals.

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