What is the atomic number of carbon?
6
8
12
16
Which of these elements is a noble gas?
Helium
Oxygen
Nitrogen
Argon
Sulfur
What is the chemical symbol for gold?
Which of the following is a strong acid?
Hydrochloric acid
Acetic acid
Sulfuric acid
Citric acid
Phosphoric acid
What is the formula for water?
Which of these elements is a halogen?
Fluorine
Lithium
Bromine
Calcium
Potassium
What is the pH value of a neutral solution?
7
1
14
10
What is the chemical symbol for oxygen?
O
C
H
N
Which of the following elements is a metal?
Iron
Oxygen
Chlorine
Sulfur
What is the formula for methane?
Which of the following is a strong base?
Sodium hydroxide
Acetic acid
Ammonia
Hydrochloric acid
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