COVALENT BONDING

In a covalent bond, how are electrons shared between atoms?

• Unequally

• Completely transferred

• Equally

• Transferred to the nucleus

What type of bond forms between atoms when they share electrons?

• Ionic bond

• Covalent bond

• Metallic bond

• Hydrogen bond

What is the chemical formula for methane?

• CH₄

• CO₂

• H₂O

• NH₃

What is the chemical formula for ammonia?

• NH₄

• NH₂

• NH₃

• NH

What is the term for a molecule composed of two atoms?

• A) Monoatomic molecule

• B) Diatomic molecule

• C) Triatomic molecule

• D) Polyatomic molecule

Which of the following compounds is covalent?

• A) NaCl (sodium chloride)

• B) CO (carbon monoxide)

• C) CaF₂ (calcium fluoride)

• D) K₂O (potassium oxide)

What is the chemical formula for carbon dioxide?

• A) CO

• B) CO2

• C) C2O

• D) CO3

What is the correct name for the compound with the formula CO2?

• A) Carbon oxide

• B) Carbon(IV) oxide

• C) Carbon dioxide

• D) Carbon monoxide

What type of elements typically form covalent compounds?

• A) Metals

• B) Metalloids

• C) Nonmetals

• D) Noble gases

Which of the following is a covalent compound?

• A) NaF (sodium fluoride)

• B) CO₂ (carbon dioxide)

• C) KCl (potassium chloride)

• D) CaO (calcium oxide)