1.27.T.TEST - Unit 1 Test - The Structure of Matter - Christian Heine | Library

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Unit 1 Notes - Digital or Print Out
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1

Chemistry is the study of

1

What is the atomic symbol for the element Oxygen?

1

Which of the following elements is represented by the symbol Ag?

1

What atomic symbol is assigned to the element Hydrogen?

1

What does the atomic symbol 'Na' stand for?

1

Which is an example of a compound?

1

What is a pure substance?

1

Which of these is not a pure substance?

1

A bottle of salad dressing must be shaken before it is poured onto a salad in order to evenly mix the particles. How can this salad dressing be classified?

1

Which type of mixture demonstrates components that are visually distinct with different appearance and properties throughout?

1

In which type of mixture are the different components evenly distributed?

1

Which is a common solvent in everyday life?

1

In a saltwater solution, what is the solute?

1

In a saltwater solution, what is the solvent?

1

Soda is an example of....

1

The best way to get the sugar out of a sugar-water solution is to ________.

6

Classify each substance as either heterogeneous or homogeneous. (Be sure to classify all 6 substances)

rice and beans
vinegar
lemonade, pulp-free
Chocolate chip ice cream
oil and water
steel

Heterogeneous
Homogeneous

Required

1

The particles in this image would best be described as a(n):

Required

1

The particles in this image would best be described as:

Required

1

The particles in this image would best be described as:

1

What type of mixture is this?

1

Is this mixture homogeneous or heterogeneous?

6

milk
jello
Kool-Aid
Orange Juice with pulp
salt water
salad dressing

Solution
Colloid
Suspension

1

Tyndall effect is due to what phenomena?

1

Which solution does not show the Tyndall effect?

1

What is a mixture?

1

What is a characteristic of a physical change in Chemistry?

1

Which is an example of a mixture?

1

Which phase change involves a substance going from a gas to a liquid?

1

What occurs when a solid undergoes sublimation?

1

What is required for a liquid to evaporate?

1

Which is not a phase change?

1

Which state of matter has a definite shape and volume?

1

In which state of matter do particles have the most energy?

1

How many atoms are in one molecule of water (H2O)?

1

How many elements are in one molecule of CO2?

2

MgCl2
Elements: _______ 
Atoms: _______ 

2

PCl5
Elements: _______ 
Atoms: _______ 