Question 1

Which of the following is the correct element symbol of gold?

Accepted Answer

Au

Answer

Ag

Answer

Ca

Answer

Cu

Question 2

Which of the following is NOT an example of compound?

Accepted Answer

Oxygen

Answer

Vinegar

Answer

Salt

Answer

Sugar

Question 3

What is the composition of water?

Accepted Answer

2 Hydrogen and 1 Oxygen

Answer

1 Nitrogen and 2 Oxygen

Answer

1 Carbon and 2 Oxygen

Answer

2 Hydrogen and 2 Oxygen

Question 4

When two or more elements chemically combined it is called?

Accepted Answer

Compounds

Answer

Mixture

Answer

Elements

Question 5

What is the most abundant element found in the earth's atmosphere?

Accepted Answer

nitrogen

Answer

oxygen

Answer

sulfur

Answer

argon

Question 6

How many elements are represented in the compound?

Fe₃O₄

Accepted Answer

2

Answer

4

Answer

1

Answer

3

Question 7

Which element below has a symbol of Cu?

Accepted Answer

Copper

Answer

Calcium

Answer

Carbon

Answer

Chlorine

Question 8

The chemical symbol N is used for what element?

Accepted Answer

Nitrogen

Answer

Neon

Answer

Sulfur

Answer

Argon

Question 9

What is sugar?

Accepted Answer

a compound

Answer

an element

Answer

a mixture

Question 10

Which of the following is an example of compound?

Accepted Answer

Baking soda

Answer

Iron

Answer

Potassium

Answer

Silver

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