Educational chemistry game

What element has the chemical symbol "O"?

• Nitrogen

• Oxygen

• Iron

• Magnesium

How many bonds can a carbon atom from ?

• 4

• 3

• 2

• 5

What is the lightest element in the periodic table?

• Nitrogen

• Oxygen

• Hydrogen

• Sodium

What element has the chemical symbol "Na"?

• Magnesium

• Potassium

• Nitrogen

• Sodium

What element is found in all organic compounds?

• Carbon

• Oxygen

What element is found in all organic compounds?

• Carbon

• Oxygen