Chemistry Compounds Quiz

What is the atomic number of carbon?

• 8

• 16

• 6

• 12

Which element has the symbol 'Na' on the periodic table?

• Nitrogen

• Sodium

• Neon

• Nickel

What is the chemical formula for water?

• H2O

• NaCl

• CO2

• H2O2

What is the name of the organic compound with the formula CH4?

• methane

• ethane

• propane

• butane

How many valence electrons does oxygen have?

• 2

• 8

• 6

• 4

Which element is the most abundant in the Earth's atmosphere?

• oxygen

• carbon dioxide

• helium

• nitrogen

What is the atomic mass of hydrogen?

• 1.008

• 1.001

• 1.01

• 1.02

What is the name of the organic compound with the formula C6H12O6?

• fructose

• sucrose

• lactose

• glucose

Which element is known as the 'building block of life'?

• oxygen

• nitrogen

• carbon

• hydrogen

What is the atomic number of oxygen?

• 6

• 10

• 12

• 8