PS1.1&1.2 Test Review

1 A substance made up of two or more chemically combined elements is —

• an element

• mixture

• compound

• solution

A substance that cannot be broken down into any other substance by ordinary chemical means is called —

• molecule

• mixture

• element

• compound

Two or more physically combined substances form —

• a compoud
• an acid
• an element
• a mixture

Tags

NGSS.MS-PS1-1

NaHCO₃ is an example of —

• an abbreviation
• a compound
• a mixture
• an element

Tags

NGSS.MS-PS1-1

What is matter?

• Anything that has mass and volume
• The shape of an object
• How much an object weighs
• The pull of objects on one another

Two of more substances that are mixed together but can be separated is...

• solutes
• solutions
• liquids
• mixtures

Tags

NGSS.5-PS1-4

How is a compound different from a mixture?

• Compounds have 2 or more components.

• Each substance in a compound loses its characteristic properties.

• Compounds can only be separated by physical reactions..

• Compounds are commonly found in nature.

Which of the following describes an element?

• pure substance made of different atoms that are chemically bonded.

• pure substance made of one type of compound.

• substance made of more than one type off atom that is not chemically bonded.

• pure substance made of one type of atom.

Which of the following correctly describes salt water?

• Mixture b/c the salt loses its properties after it dissolved in the water.

• Mixture b/c salt and water retain their properties after salt is dissolved.

• Compound b/c salt and water are chemically bonded together.

• Compound b/c salt and water are not chemically bonded together.

When atoms of DIFFERENT elements are joined together chemically, they create _____________.

• compounds
• mixtures
• solutions
• elelments

Tags

NGSS.MS-PS1-1