CHE 102 (Chapter 3)

______ is anything that has matter and takes up space.

Which of the following does NOT describe a solid?

• Can be crystalline or amorphous

• Particles have a strong attraction between particles due to proximity

• Definite shape and volume

• Particles are far away from each other

• Not compressible

Which of the following does NOT describe a liquid?

• Particles move around each other

• Particles are near each other

• Indefinite shape, definite volume

• Not compressible

• No attraction between particles

Which of the following does NOT describe a gas?

• Indefinite shape and volume

• Not compressible

• Particles are far away from each other

• No attraction between particles

• Indefinite volume, definite shape

Which of the following describes crystalline and amorphous solids correctly?

• Crystalline - Arranged in regular array or lattice

  Amorphous - Random network

• Crystalline - Random network

  Amorphous - Random network

• Crystalline - Arranged in regular array or lattice

  Amorphous - Arranged in regular array or lattice

• Crystalline - Random network

  Amorphous - Arranged in regular array or lattice

What two requirements are needed for a substance to go through a phase change?

• More particles need to be added

• Increasing particle motion

• Overcome the attraction between particles

• Decreasing particle motion

Which of the following describes a pure substance?

• Constant composition and properties

• Inconsistent composition and properties

• Elements

• Compounds

A/An _______ is a fundamental solution that cannot be broken down into chemically simpler components.

A/An ________ is two or more elements that are chemically bonded in fixed proportions.

Which of the following is NOT a diatomic element?

• Cl₂

• Br₂

• Fe₂

• O₂