Molecules Quiz

1) Molecules are made up of more than one _______.

• Electron
• Neutron
• Proton
• Atom
• Element

2) Compounds are molecules that are made up of more than one _______.

• Electron
• Neutron
• Proton
• Atom
• Element

3) What is the common name for the compound H2O?

• Water
• Carbon dioxide
• Sugar
• Ammonia
• Glucose

4) How are molecules held together?

• Elements
• Bonds
• Protons
• Elemental tape
• Molecular glue

5) How many carbon atoms are in the molecule CO2?

• 1
• 2
• 3
• 4
• 5

6) Bonds between atoms are generally formed by what particles?

• Neutrons
• Protons
• Quarks
• Electrons
• Neutrinos

7) What is the most common element in the human body?

• Hydrogen
• Carbon
• Oxygen
• Iron
• Magnesium

8) What type of chemical bonds share electrons between atoms?

• Ionic
• Elemental
• Iconic
• Electronic
• Covalent

9) What type of chemical bond is formed when one atom donates an electron to another atom?

• Ionic
• Elemental
• Iconic
• Electronic
• Covalent

10) What element is needed to form an organic compound?

• Hydrogen
• Oxygen
• Iron
• Carbon
• Helium