AP POLYCET CHEMISTRY Multiple Choice Questions (MCQs)
AP POLYCET Chemistry - Chemical Bonding MCQs
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What type of bond is formed by the electrostatic attraction between oppositely charged ions?
- A) Covalent bond
- B) Ionic bond
- C) Metallic bond
- D) Hydrogen bond
Answer: B) Ionic bond
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What is the bond formed by the sharing of electrons between two atoms?
- A) Covalent bond
- B) Ionic bond
- C) Metallic bond
- D) Hydrogen bond
Answer: A) Covalent bond
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Which of the following bonds involve the transfer of electrons?
- A) Covalent bond
- B) Ionic bond
- C) Hydrogen bond
- D) Polar covalent bond
Answer: B) Ionic bond
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Which of the following has a covalent bond?
- A) Sodium chloride (NaCl)
- B) Magnesium oxide (MgO)
- C) Carbon dioxide (CO2)
- D) Potassium bromide (KBr)
Answer: C) Carbon dioxide (CO2)
-
Which of the following is the weakest type of bond?
- A) Ionic bond
- B) Covalent bond
- C) Hydrogen bond
- D) Metallic bond
Answer: C) Hydrogen bond
-
What is the shape of a molecule with two bonding pairs and no lone pairs on the central atom?
- A) Linear
- B) Trigonal planar
- C) Tetrahedral
- D) Bent
Answer: A) Linear
-
Which of the following molecules has a polar covalent bond?
- A) CO2
- B) H2O
- C) N2
- D) CH4
Answer: B) H2O
-
Which of the following is a property of ionic compounds?
- A) They conduct electricity in solid form
- B) They have low melting points
- C) They are non-crystalline
- D) They conduct electricity when dissolved in water
Answer: D) They conduct electricity when dissolved in water
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What type of bond exists in a molecule of chlorine (Cl2)?
- A) Polar covalent bond
- B) Non-polar covalent bond
- C) Ionic bond
- D) Metallic bond
Answer: B) Non-polar covalent bond
-
Which of the following compounds contains a coordinate covalent bond?
- A) H2O
- B) NH3
- C) CO2
- D) NH4+
Answer: D) NH4+
-
Which of the following is true about a metallic bond?
- A) Electrons are transferred from one atom to another.
- B) Electrons are shared between atoms.
- C) Electrons are free to move in a "sea of electrons."
- D) Electrons are fixed in place and cannot move.
Answer: C) Electrons are free to move in a "sea of electrons."
-
Which element forms a double bond with oxygen in carbon dioxide (CO2)?
- A) Hydrogen
- B) Nitrogen
- C) Carbon
- D) Oxygen
Answer: C) Carbon
-
What type of bond is formed in a molecule of nitrogen (N2)?
- A) Single bond
- B) Double bond
- C) Triple bond
- D) Quadruple bond
Answer: C) Triple bond
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Which of the following is true for an ionic bond?
- A) The atoms involved share electrons.
- B) The atoms involved transfer electrons.
- C) The bond is formed by the electrostatic attraction between metal and non-metal atoms.
- D) Both atoms in the bond achieve a full octet by sharing electrons.
Answer: B) The atoms involved transfer electrons.
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