Chemistry Ch 1 & 2 Review
Vocab:

organic chemistry
analytical chemistry
inorganic chemistry
physical chemistry
biochemistry

mixture
reactant
product
heterogeneous mixture
phase
vapor

distillation
compound
mass
element
chemical reaction
homogeneous 

1.	Which step in the scientific method requires you to use your senses to obtain information?

2.	How do conceptual problems differ from numeric problems?

3.	Which state of matter expands when heated and is easy to compress?

4.	An example of a homogeneous mixture is ____.

5.	What is one difference between a mixture and a compound?

6.	What do chemical symbols and formulas represent, respectively?

7.	A chemical change occurs when a piece of wood ____.

8.	What is an example that a chemical change has happened during cooking?

9.	What distinguishes a substance from a mixture?

10.	What must be done to be certain that a chemical change has taken place?

11.	Which field of science studies the composition and structure of matter?

12.	One characteristic of a scientific theory is that ____.

13.	A golf ball has more mass than a tennis ball because it ____.

14.	An example of an extensive property of matter is ____.

15.	A vapor is which state of matter?

16.	A substance that forms a vapor is generally in what physical state at room temperature?

17.	Which state of matter has a definite volume and takes the shape of its container?

18.	Which state of matter takes both the shape and volume of its container?

19.	Which state of matter is characterized by having an indefinite shape, but a definite volume?

20.	Which state of matter is characterized by having a definite shape and a definite volume?

21.	Which of the following is a heterogeneous mixture?

22.	What is true about homogeneous mixtures?

23.	The first figure in a properly written chemical symbol always is ____.

24.	What is used for chemical symbols today?

25.	Which of the following represents a compound?

26.	In the chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water, what is a reactant?

27.	What must occur for a change to be a chemical reaction?

28.	When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place?

29.	What happens to matter during a chemical reaction?
30.	In terms of conservation of mass, what is true for all chemical reactions?
31.	How many traditional areas of study can chemistry be divided into?
32.	How many steps are involved in solving numeric problems?
33.	What is the melting point of water in degrees Celsius?
34.	In how many physical states does water commonly exist?
35.	What is the boiling point of water in degrees Celsius?
36.	Approximately how many elements exist in nature?
37.	How many grams of liquid water are produced when 60 grams of ice melt?