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Chapter 5: Chemical Bonding

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Which bond is formed due to electrostatic attraction?

A Covalent bond B Ionic bond C Hydrogen bond D Single bond

Samir is learning about the properties of diamond. He knows that diamond is the hardest natural substance. Why is diamond so hard?

A Because of weak intermolecular forces B Because of strong covalent bonds in a three-dimensional network C Because of metallic bonds D Because of ionic bonds

Which compound has covalent bonding?

A KCl B MgO C H2O D NaBr

Which molecule contains a double bond?

A H2 B O2 C CH4 D NaCl

Chloe is learning about chemical bonds. She understands that bonds form when atoms gain, lose, or share electrons. Which type of bond is formed when electrons are transferred from one atom to another?

A Covalent bond B Ionic bond C Metallic bond D Hydrogen bond

Structural formula shows:

A Only atoms B Arrangement of bonds C Only electrons D Atomic mass

Which molecule is polar?

A O2 B N2 C HCl D H2

Fatima is studying covalent bonds. She learns that covalent bonds involve the sharing of electrons. Which of the following is an example of a molecule with a single covalent bond?

A O2 B N2 C H2 D CO2

Khalid is learning about the influence of intermolecular forces on boiling points. He compares the boiling points of H2O and H2S. Why is the boiling point of H2O higher than H2S?

A Because H2O has stronger London dispersion forces B Because H2O has hydrogen bonding, which is a strong intermolecular force C Because H2O has a higher molecular mass D Because H2O is more polar

Hina is studying hydrogen bonding. She learns that hydrogen bonding is responsible for many properties of water. What property of water is due to hydrogen bonding?

A Low boiling point B High surface tension C Non-polarity D Low viscosity

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