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The video discusses the unique properties of mercury, highlighting its low melting point of minus 38°C and its distinction as the only metal that remains liquid at room temperature.

What is a unique property of mercury at high temperatures?

• It becomes a gas.

• It remains a solid.

• It turns into a plasma.

• It is a liquid.

At what temperature does mercury change from solid to liquid?

• -100°C

• 100°C

• -38°C

• 0°C

What happens to mercury at minus 38°C?

• It becomes a gas.

• It remains a liquid.

• It changes from solid to liquid.

• It turns into a solid.

Which metal is liquid at room temperature?

• Gold

• Iron

• Mercury

• Silver

Why is mercury unique among metals?

• It is the most abundant metal.

• It is the most conductive metal.

• It is the only metal that is liquid at room temperature.

• It is the heaviest metal.