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Name _____________________ Period _____ Test Review 1. What is a hypothesis? 2. What is a scientific theory? 3. Define and give examples of the two different types of mixtures: a. b. 4. What are the three common states of matter? What are the characteristics of each state for shape and volume? How are the molecules moving in each state? Stat e Shape Volume Molecule movement Soli d Liqu id Gas 5. Name and define the different changes of state. a. b. c. d. e. Sublimation-Changes from a solid to a gas

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Name _____________________Period _____

Test Review

1. What is a hypothesis?

2. What is a scientific theory?

3. Define and give examples of the two different types of mixtures:a.

4. What are the three common states of matter? What are the characteristics of each state for shape and volume? How are the molecules moving in each state?

State Shape Volume Molecule movementSolid

Liquid

Gas

5. Name and define the different changes of state. a. b. c. d. e. Sublimation-Changes from a solid to a gas

6. What is a physical change? Give examples.

7. What is a chemical change? Give an example.

8. What is an observation? Give an example.

Page 2: CToThe3Chemistryctothe3chemistry.weebly.com/.../intro_test_review.docx · Web viewIs air matter? Explain. What is the density of a substance with a mass of 37.5g and a volume of12.5

Name _____________________Period _____

9. What are the indicators of chemical change?a. b. c. d.

10.Name the 2 different types of observation and give an example of each.

11.What is an inference? Give an example.

12.Know the safety rules and when they apply.

13.What is the definition of matter?

14. Is air matter? Explain.

15.What is the density of a substance with a mass of 37.5g and a volume of12.5 mL?

16.What is the density of water?

17.What is the density of a substance that floats on water?

18.What is the density of a substance that sinks in water?

19.What is the volume of a substance with a density of 14 g/mL and a mass of 42 g?

Page 3: CToThe3Chemistryctothe3chemistry.weebly.com/.../intro_test_review.docx · Web viewIs air matter? Explain. What is the density of a substance with a mass of 37.5g and a volume of12.5

Name _____________________Period _____

20. Determine the volume for each of the graduated cylinders below.

21.Determine the length for each item below.

22.Determine the average of these three measurements: 32.6 cm, 37.67 cm, and 45.1 cm.

23. Draw sketches of what atoms would look like in a solid, a liquid, and a gas.

a. Solidb. Liquid

c. Gas

Page 4: CToThe3Chemistryctothe3chemistry.weebly.com/.../intro_test_review.docx · Web viewIs air matter? Explain. What is the density of a substance with a mass of 37.5g and a volume of12.5

Name _____________________Period _____

24. Draw a sketch of two different types of atoms undergoing a physical change, and then the atoms undergoing a chemical change.

a. Physical Change

b. Chemical Change

25. Write the following numbers using scientific notation.a. 6,000,000

b. 0.008309

c. 4003.00

d. 0.09400

e. 306

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Name _____________________Period _____

26.Review equipment name and use flashcards. Identify and give the use for the lab equipment below.

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Name _____________________Period _____

Unit 1 Test Review Addendum

For the following compounds, name the elements and tell how many atoms of each element are present.

Compound Elements Number of atomsH2O Hydrogen

Oxygen21

NaCl

NH3

MgCl2

Cs2SO4

(NH4)2SO4

NH4OH

Zn(NO3)2

AlPO4

3(NH4)3PO4

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Name _____________________Period _____

For the reactions below tell how many atoms of each element would be present on the product side of the reaction.

Reaction Product elements Number of atoms of product element

2H2 (g) + O2 (g) HydrogenOxygen

N2 (g) + 3H2 (g)

2Mg (s) + O2 (g)

2H2O2 (l)

2C8H18 (l) + 25O2 (g)

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