Helium and neon are non - reactive in nature and occur in their free state in the atmosphere. These non- metals are known as _______.

Options

A. noble metals
B. noble gases
C. metalloids
D. non - metals

Answer

**Step-by-Step Solution:**

1. **Identify the Elements:** The question mentions Helium and Neon, which are both non-metals.

2. **Understand Their Properties:** Helium and Neon are described as non-reactive in nature. This means they do not easily form compounds with other elements.

3. **Recognize Their State:** The question states that these elements occur in their free state in the atmosphere, indicating that they exist independently and are not combined with other elements.

4. **Determine the Classification:** Since Helium and Neon are non-metals that are stable and do not react with other elements, they belong to a specific category of non-metals.

5. **Conclude the Answer:** The correct term for Helium and Neon, which are non-reactive and exist in their free state, is "noble gases."

**Final Answer:** Helium and neon are non-metals known as **noble gases**.

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