Solids

Hydrogen bonds can occur between molecules containing hydrogen and

• bromine

• carbon

• sulfur

• oxygen

Which of the following is an amorphous solid?

• table sugar

• table salt

• glass

• galena (PbS)

What happens to the temperature of a sample of ice at its melting point as it melts?

• It rises.

• It falls.

• It remains the same.

• It depends on the pressure.

Tags

NGSS.MS-PS1-4

Dipole-dipole forces are the weakest of the intermolecular forces.

• True

• False

The kinetic theory is applicable only to substances in the gaseous state.

• True

• False

The melting point and freezing point of a pure substance are represented by the same temperature.

• True

• False

The diagram shows a heating curve for ice. Which line represents the ice melting?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS3-4

Where on the graph are phase changes taking place?

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS3-4

Phase change from solid to liquid

• melting
• condensation
• vaporization
• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Identify the term used to describe transitioning from solid to gas.

• Melting

• Freezing

• Sublimation

• Deposition