9th Final Exam Practice

What is an element?

• A pure substance made of only one kind of atom

• Two or more elements chemically combined

• Two or more substances physically combined

• A mixture of gases

Tags

NGSS.MS-PS1-1

Which of the following is a chemical property?

• Color

• Density

• Flammability

• Mass

What is a compound?

• A pure substance made of only one kind of atom

• Two or more elements chemically combined

• Two or more substances physically combined

• A mixture of liquids

Which property describes the ability to be hammered into thin sheets?

• Solubility

• Malleability

• Conductivity

• Hardness

What is a mixture?

• A pure substance made of only one kind of atom

• Two or more elements chemically combined

• Two or more substances physically combined

• A single element

What is the ability of a substance to react with oxygen called?

• Fermentation

• Oxidation

• Decomposition

• Tarnishing

Which state of matter has a definite shape and definite volume?

• Liquid

• Gas

• Solid

• Plasma

What is a mixture?

• A single pure substance

• Two or more substances chemically combined

• Two or more substances physically combined

• A substance that cannot be separated

Which state of matter has no definite shape or volume?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

What is a characteristic of a heterogeneous mixture?

• The components are evenly distributed.

• The components are not visibly separate.

• You can see the individual parts and they can be easily separated.

• It looks like one single substance.