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Q. |
Which of the following elements has the lowest melting point? |
A. | Sodium |
B. | Tin |
C. | Radon |
D. | Radium |
Answer» C. Radon | |
Explanation: Among the given elements, Radon has the lowest melting point of-71°Celsius. The melting point of other elements are as follows: Sodium: 98° C; Tin 232° C; Radium: 700°C |
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