Quiz on Elements
A quiz on the elements of the periodic table.
1. Which element has the atomic number of 6?
Carbon
Nitrogen
Oxygen
Hydrogen
2. What is the formula for water?
H2O2
H3O
H2O
H2O3
3. Which gas is known as laughing gas?
Oxygen
Nitrogen
Carbon dioxide
Nitrous oxide
4. What is the symbol for gold?
Au
Ag
Hg
Cu
5. Which of the following is an alkali metal?
Calcium
Lithium
Magnesium
Potassium
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