Which statement best describes the molecules in a solid?

Molecules are free to seperate from eachother and will take on the shape of the container

Molecules move completely at random and high speeds

Molecules vibrate in a fixed position and do not move around much

Molecules expand to the edge of their container

The heat if fusion is the amount of best required to what?

Evaporate 1g or liquid into a gas

Make a substance sublimate

Melt 1g of solid into a liquid

Make material combust

The volume of a gas is always the same as the volume of?

It's container

Atmosphere

Atoms

Molecules

When two atoms of the same element have different numbers of neutrons therefore different atomic masses what are they?

Isoptopes

Isomers

Molecules

1 Answer

  • 1. Molecules vibrate in a fixed posistion and do not move around much (solid)

    2. Melt 1g of solid into a liquid (heat of fusion)

    3. Its container (volume of a gas)

    4. Isotopes

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