Question

Potassium is a metal which is liquid at room temperature.

True or false

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Answer 1

Answer:

Sodium–potassium alloy, colloquially called NaK (commonly pronounced /næk/), is an alloy of the alkali metals sodium (Na, atomic number 11) and potassium (K, atomic number 19) that is normally liquid at room temperature.

Specific heat capacity (c): 982 J/kg⋅K

Density (ρ): 0.866 g/cm3,20°C; 0.855 g/cm3,100°C; 0.749 g/cm3,550°C

Answer 2

False, it’s Mercury which is liquid at room temperature