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A property of matter that measures how well something can allow electricity to flow through it.

A gas that is six times more dense than air. It is heavy for a gas and a balloon filled with it sinks.

Density

A property of matter that measures how close together the particles are inside a substance. This can determine things like if something will float or sink.

A property of matter that measures how well one thing can dissolve in another.

Characteristics or attributes.

Properties

Conductivity

Sulfur Hexafluoride

Solubility

Helium

Matter

A gas that has no color or smell and is less dense than air. It is often used to make party balloons float.

Anything that has weight and takes up space.