1. Intro to General Chemistry

Which of the following physical properties is typically unique for each pure substance and can be used to help identify it?

Which physical property is most commonly used to separate a mixture of sand and salt?

At 1 atm pressure, what is the normal boiling point of nitrogen, $N_2$?

Which statement best describes the physical state of glass at room temperature?

Which of the following best describes a drop of liquid mercury?

Which statement describes a physical property of copper?

Which of the following is a property of metals as a result of their extended structures of atoms?

Which physical property changes between 100 mL of water at 5°C and 100 mL of water at 45°C?

Which of the following is a physical property?

Which of the following is a physical property of silver?

Which of the following is a physical property of the aluminum used in beverage cans?

Which of the following does NOT describe a physical property of iron?

Which of the following physical properties would be least helpful in determining whether a substance is a metal or a nonmetal?

Why is knowing the melting point of a substance useful to scientists?

Which of the following is NOT a physical property of gases?