Properties of Ionic compounds

Multiple Choice

Ionic compounds are soluble in water.

• TRUE

• FALSE

Video
https://www.youtube.com/watch?v=NfNIn4R8tg4

Multiple Choice

What can you conclude from the video about the melting point of sodium chloride?

• high melting point

• low melting point

Multiple Choice

How could you tell sodium chloride had a high melting point?

• a small amount of thermal energy was required to melt it

• a large amount of thermal energy was required to melt it

Multiple Choice

Suggest the strength of the electrostatic forces of attraction between sodium and chloride ions.

• Very strong electrostatic forces of attraction

• weak forces of attraction

Multiple Choice

From the video, what can you conclude about the electrical conductivity of sodium chloride?

• conducts electricity in solid state

• conducts electricity in (molten) liquid state

• conducts electricity in aqueous state (dissolved in water)

• does not conduct electricity at all

Multiple Choice

Ionic compounds can conduct electricity when its ions are ________.

• held in fixed positions in a lattice

• free to move

Poll

Predict if aqueous sodium chloride (dissolved in water) can conduct electricity.

• YES IT CAN

• NAWWW

Video (start from 0.50)
https://www.youtube.com/watch?v=4otVFf0qTho&t=50s