Quiz on Basic Chemistry
A quiz on the basics of chemistry
1. What is the atomic number of hydrogen?
1
2
3
4
2. Which element has the symbol 'Na'?
Nitrogen
Sodium
Magnesium
Calcium
3. What is the chemical formula for water?
H2O
CO2
NaCl
O2
4. Which gas is responsible for the odor of rotten eggs?
Oxygen
Nitrogen
Carbon Dioxide
Hydrogen Sulfide
5. What is the formula for the compound ammonia?
CH4
NH3
H2SO4
CO2
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