Physics · Thermal Properties of Matter
The melting and boiling points (in °C) of four chemical elements are given below: Mercury: MP = -39°C, BP = 357°C Phosphorus: MP = 44°C, BP = 280°C Radon: MP = -71°C, BP = -62°C Gallium: MP = 30°C, BP = 2400°C How many of these elements exist as solids at 25°C and 1 atm pressure?
- 13
- 22✓
- 31
- 40
Correct answer
2
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