Multiple Choice
Which type of chemical bond holds the atoms together within a molecule of water?
11. Bonding & Molecular Structure
Chemical Bonds
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Which of the following best describes the difference between covalent bonds and ionic bonds?
A
Covalent bonds involve the sharing of electrons between atoms, while ionic bonds involve the transfer of electrons from one atom to another.
B
Covalent bonds result in the formation of ions, while ionic bonds result in the formation of molecules.
C
Covalent bonds occur between metals, while ionic bonds occur between nonmetals.
D
Covalent bonds are weaker than ionic bonds because they involve the sharing of protons.
Verified step by step guidance1
Identify the key characteristics of covalent bonds: Covalent bonds involve the sharing of electrons between atoms, typically between nonmetals. This sharing allows each atom to attain the electron configuration of a noble gas, resulting in the formation of molecules.
Identify the key characteristics of ionic bonds: Ionic bonds involve the transfer of electrons from one atom to another, usually between a metal and a nonmetal. This transfer creates ions, with one atom becoming a positively charged cation and the other a negatively charged anion, resulting in the formation of an ionic compound.
Evaluate the statement 'Covalent bonds result in the formation of ions, while ionic bonds result in the formation of molecules': This statement is incorrect because covalent bonds form molecules, not ions, while ionic bonds form ionic compounds composed of ions.
Evaluate the statement 'Covalent bonds occur between metals, while ionic bonds occur between nonmetals': This statement is incorrect because covalent bonds typically occur between nonmetals, while ionic bonds occur between metals and nonmetals.
Evaluate the statement 'Covalent bonds are weaker than ionic bonds because they involve the sharing of protons': This statement is incorrect because covalent bonds involve the sharing of electrons, not protons. The strength of a bond depends on various factors, but the sharing of protons is not one of them.
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