Elements
Compounds
Physical Changes
Chemical Changes
Trivia
100
What is the element represented by
Cl?
What is Chlorine
100
What is a compound?
What is:
A compound is two or more elements that are chemically combined.
100
What is a physical Change?
What is: a physical change is a change in the size, shape or appearance of a substance.
100
Which column in the table includes only chemical changes? 
What is column A
100
What is the chemical formula for Silicone Dioxide?
What is SiO2
200
What is the element represented by Ag?
What is Silver
200
Which of the following substances represents a Compound?
What is:
2,3,5, and 6
200
Is Cheese melting an example of a physical or chemical change?
What is: physical change
200
Which example provides evidence of a chemical change?
A.)Wood releases ash and smoke when burned.
B.) Rock particles separate when soil is being sifted.
C.) Boiling water bubbles when being heated.
D.) Sugar is not visible when dissolved in water.
What is:
A.)Wood releases ash and smoke when burned.
200
What is the Law of Conservation of Mass?
What is: The Law of Conservation of Mass states that matter is not created nor destroyed. It is simply transformed from one form to another.
300
Which Model represents the element Neon Gas?
What is:
Model D
300
Which statements are characteristics of compounds?
What is:
I, II, IV
300
Is phase change a chemical change or a physical change?
Give an example.
What is :
Phase Change is a physical change.
For example ice melting or water evaporating
300
When vinegar and baking soda are combined, bubbles and foam are produced.
What evidence demonstrates that a chemical change has occurred?
A A color change occurs.
B A gas is formed.
C A solid is dissolved.
D A precipitate is formed.
What is B. A gas is formed
300
How many Elements are in this compound?
What is 4 elements.
400
Which of the following represents an Element?
What is :
2,5 and 6.
400
What is the Chemical Formula or Table Salt?
What is NaCl
Sodium Chloride
400
If food coloring is added to water, is that a chemical change or a physical change?
Explain your answer.
What is a physical change, because a new substance has not been created.
400
Two liquids are mixed together. Which of the following does NOT identify the formation of a new substance?
F.) A gas is produced.
G.) One liquid dissolves into the other.
H.) The temperature changes.
J.) A solid is formed.
What is:
G.) One liquid dissolves into the other.
400
When two liquids combine to form a solid, what is the resulting new substance called?
What is a precipitate.
500
Which of the following does NOT represent an Element?
What is:
1 and 3
500
What is the Chemical Formula for Glucose?
What is: C6H12O6
500
When sugar is dissolved into iced tea, is this evidence of a physical or chemical change?
Explain your answer.
Dissolving is a physical change because the sugar is NOT turning into a new substance. The sugar particles are simply being broken up into smaller pieces.
500
Which example represents the formation of a precipitate?
F.) Heat and light are produced when paper burns.
G .)White chunks form when you add vinegar to milk or heavy cream.
H.) Gas is released when vinegar and baking soda are mixed together.
J.) A cut apple turns brown when left out in the open air.
What is:
G .)White chunks form when you add vinegar to milk or heavy cream.
500
How many elements are in the compound
C17H2ON4NaO9P?
What is 6 elements.