Consider the following statements regarding the physical properties of metals: 1. Gallium and Cesium have very low melting points and will melt if kept on the palm. 2. Mercury is the only metal that is liquid at room temperature. 3. Alkali metals like Lithium, Sodium, and Potassium are so soft that they can be cut with a knife and have low densities. Which of the statements given above are correct?

Options:

• A: 1, 2 and 3
• B: 1 and 2 only
• C: 2 and 3 only
• D: 1 and 3 only

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