Multiple Choice
If a covalent bond is polar:
a) Electrons are not shared by atoms.
b) Protons are shared by atoms.
c) The bond is not important to living cells.
d) One of the atoms has a partial negative charge.
e) The bond is not a strong bond.
2. Cell Chemistry & Cell Components
Covalent Bonds
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
When one or more pairs of valence electrons are shared by two neutral atoms, what type of bond is formed?
A
An ionic bond
B
A hydrogen bond
C
An electronegative bond
D
A covalent bond
Verified step by step guidance1
Begin by understanding the concept of valence electrons. Valence electrons are the outermost electrons of an atom and are involved in forming bonds with other atoms.
Recognize that atoms form bonds to achieve a more stable electron configuration, often resembling the nearest noble gas configuration.
Identify the types of chemical bonds: ionic, covalent, and hydrogen bonds. Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons between atoms.
Focus on covalent bonds, which occur when two atoms share one or more pairs of valence electrons. This sharing allows each atom to attain a stable electron configuration.
Conclude that when one or more pairs of valence electrons are shared between two neutral atoms, a covalent bond is formed. This type of bond is characterized by the mutual sharing of electrons.
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