Chapter 2 Test

A metal that can be hammered into thin sheets is best described as?

• malleable

• brittle

A sample of matter has uniform properties and cannot be decomposed into a simpler substance. How would you classify it?

• Heterogeneous mixture

• Element

A sample of matter has non uniform properties and visibly different parts. How would you classify it?

• Heterogeneous mixture

• Homogeneous mixture

A sample appears uniform but has nonuniform properties. How is it classified?

• Homogeneous mixture

• Element

Which of the following is not a physical property?

• Flammability

• Density

Which is not a classification of matter?

• Solution

• Molecule

Which conditions indicate a chemical change?

• Change in color

• Change in temperature

Tags

NGSS.MS-PS1-2

Which best explains the difference between a chemical and a physical change?

• Neither chemical nor physical changes result in the formation of new substances.

• A chemical change results in the formation of new substances, while a physical change does not.

Label each of the following as a compound or an element:

• Water, H₂O: Compound

• Titanium, Ti: Element

• Aspirin, C₉H₈O₄: Compound

• Zinc, Zn: Element

• Benzene, C₆H₆: Compound

Tags

NGSS.MS-PS1-1

Calculate the mass of silver with a density of 10.49 g/cm³ and a volume of 12.99 cm³.

• 136.23 g

• 136.34 g