Argon was discovered by

Options

A. Cavendish
B. Lavoisier
C. Rayleigh
D. Thomson

Answer

**Step-by-Step Solution:**

1. **Identify the Element**: The question asks about the discovery of Argon, which is a noble gas in Group 18 of the periodic table.

2. **Research the Discoverers**: To answer the question, we need to find out who discovered Argon. Historical records indicate that Argon was discovered in the late 19th century.

3. **Find the Year of Discovery**: Argon was discovered in the year 1894.

4. **Identify the Discoverers**: The discoverers of Argon are Lord Rayleigh (John William Strutt) and Sir William Ramsay. They conducted experiments that led to the identification of Argon as a new element.

5. **Formulate the Final Answer**: Based on the information gathered, we can conclude that Argon was discovered by Lord Rayleigh and Sir William Ramsay in 1894.

**Final Answer**: Argon was discovered by Lord Rayleigh and Sir William Ramsay in 1894.

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