Classifying Matter

(Target M2) Matter is defined as anything that

• has a definite volume
• can be weighed on a balance C.  has a fixed volume and weight D.  has mass and takes up space
• has a fixed volume and weight
• has mass and takes up space

(Target M2, M3) Compounds and solutions are different because 

• A.  only compounds are a form of matter.
• compounds are pure substances while solutions are not.
• A.  a compound can be physically separated.
• A.  only compounds have uniform composition.

(Target M2) Complete the statement correctly. Seawater is classified as a

• mixture because its composition is not consistent from sample to sample.
• mixture because it has two elements combined together in a compound.
• pure substance because it has two elements combined together in a compound.
• pure substance because its composition is not consistent from sample to sample.

(Target M2, M3)  __________ is a  __________ 

• bronze, heterogeneous mixture
• skim milk, homogeneous mixture
• beach sand, homogeneous mixture
• air, pure substance

(Target M4)  Several chemistry students must separate a mixture of salt and water.  Which of the following lab items should they use?   

• Graduated cylinder, porous barrier
• Hot plate, beaker, filter paper
• Beaker, test tubes, funnel
• Bunsen burner, evaporating dish and ring with stand

(Target M5) The amount of substance present influences

• extensive properties
• intensive properties
• external properties
• chemical properties

Combinations of 2 or more substances (elements and compounds) that are physically blended together. 

• Compound
• Mixture
• Element
• Substance

A type of substance containing atoms of two or more elements chemically bonded together is a mixture.

• Ture
• False

Pure oxygen (O) is an example of...

• an element
• a mixture
• a compound

Tags

NGSS.MS-PS1-1

If a mixture has components you can see it is a...

• solution
• compound
• homogeneous mixture
• heterogeneous mixture