Question

A substance occupies one half of an open container. The atoms of the substance are closely packed but are still able to slide past each other.

What is most likely the phase of the substance?

gas
liquid
solid and gas
liquid and solid

Answer 1

The answer would be liquid and solid

Answer 2

Liquid substance has the most likely phase.

What is solid, liquid and gas and how they relate to the phase?

Solid:

• In the solids, the particles are arranged orderly and closely packed.
• The attractive forces between particles are very strong.
• Particles also gets vibrate about a fixed point.
• The spaces between the particles are extremely small.

Liquid:

• In the liquids, the particles arranged randomly but closer than gas and they are also closely packed but further apart than solids.
• The attractive forces between particles are strong but less than solids.
• Particles slide or roll over one on the another randomly.
• There will have some spaces but lesser than gas.

Gas:

• The particles in the gases are random, far apart from one another.
• The attractive forces are very weak.
• There will be no regular movement.
• The movement will also be freely done.

Hence, the correct answer is Option B, liquid.

Learn more about liquids,

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