Many elements are gas or solids at room temperature, but only mercury and bromine are liquid. Why?
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Gasses our bound by high temperatures and solids are bound by close to absolute zero. Pressure is also a key player as many gases are liquid at high pressures. usually super cold too.
t’s because our room temperature is such a small range and so is the pressure. Given that the average melting point for elements is 2937 degrees Fahrenheit it makes sense that there aren’t that many liquids at room temperature.
Further more Gases need something to bond to to become liquids. that why we have water, and hydrogen peroxide. Solids can also bond to gasses to increase their melting point.
If you go higher on the periodic table you’ll have more protons neutrons and electrons which make them heavier and less likely to be a liquid
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