Electrolytes

Which one of the following statements is true?

• The salt solution conducts electricity.

• The sugar solution conducts electricity.

• The pure water conducts electricity.

Which statement is true?

• Solids will conduct electricity.

• Solutions (water with dissolved particles) will conduct electricity.

Tags

NGSS.HS-PS2-5

Which statement is true?

• Electrolytes dissociate (split up) in water.

• Nonelectrolytes dissociate (split up) in water.

Any substance that does not conduct electricity when in solution is called a(n) ―

• electrolyte

• semiconductor

• nonconductor

• nonelectrolyte

Which of the following describes a solution containing an electrolyte?

• The solute particles are so firmly bonded that they do not break apart

• The solute particles permit the passage of an electric current

• It is unstable, and all the solute will precipitate if the solution is disturbed.

• It cannot contain any more solute particles

Tags

NGSS.HS-PS2-5

Which of the following best summarizes the figure below?

• HX is the only electrolyte

• Both HX and HZ are electrolytes, but HY is not.

• Only HY is an electrolyte

• All the solutions shown are electrolytes.

Which of the following best summarizes the figure below?

• HX is the only electrolyte

• Both HX and HZ are electrolytes, but HY is not.

• Only HY is an electrolyte

• All the solutions shown are electrolytes.

Which of the following best describes a nonelectrolyte?

• Solution where the solute completely dissociates

• Solution where the solute partially dissociates

• Solution where the solute does not dissociate

• Solute that does not dissolve in a solvent

What would the substance be classified as?

• nonelectrolyte, no dissociation

• nonelectrolyte, complete dissociation

• strong electrolyte, complete dissociation

• weak electrolyte, partial dissociation

Tags

NGSS.HS-PS1-3

In a polar covalent bond, the electrons gather around...

• The atom with the Greatest Electronegativity

• The atom with the Lowest Electronegativity

• Each atom Equally

• None of the Above

Tags

NGSS.HS-PS1-1