Ch.1

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Define property

A characteristic that defines an entire group of substances

What is mass?

A measure of the amount of matter

What is meant by a change in state

A physical change of a substance from one state to another

How does the composition of a pure substance differ from that of a mixture?

A pure substance is an element or a compound but a mixture is made from various substances

What is meant by the word chemical, as used by scientist?

Anything that has a definite composition

What branch of chemistry is most concerned with the study of carbon compounds?

Organic Chemistry

How are properties useful in classifying materials?

Properties can be used to distinguish between substances and to separate them. Classify an unknown substance as a member of that group

What is chemistry?

The study of the composition,structure,and properties of matter and the changes that matter undergoes

Define chemical property

a substance's ability to undergo changes that transform it into different substances.

What is the difference between extensive properties and intensive properties?

extensive properties depends on the matter that is present while intensive does not depend of matter present

What is volume?

the amount of three dimensional space an object occupies


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