The different forms of an element in the same physical state are called ____________

Explanation

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks for the term that describes the different forms of an element that exist in the same physical state.

2. **Identify Key Concepts**: The key concepts here are "different forms" and "same physical state." This indicates that we are looking for a term that encompasses variations of an element without changing its state (solid, liquid, or gas).

3. **Recall Relevant Terminology**: In chemistry, the term that describes different forms of an element in the same physical state is "allotropes."

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