QQuestionChemistry
QuestionChemistry
Which of the following best defines covalent bonds?
A. Covalent bonds involve the transfer of electrons from one atom to another.
B. Covalent bonds occur when two atoms share electrons to achieve a stable electron configuration.
C. Covalent bonds are formed between metals and nonmetals.
D. Covalent bonds are solely responsible for the electrical conductivity of metals.
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Answer
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Step 1:I'll solve this chemistry problem step by step:
Step 2:: Analyze the key characteristics of covalent bonds
Covalent bonds are a type of chemical bond that involves the sharing of electron pairs between atoms. The primary goal of this sharing is to help atoms achieve a more stable electron configuration by filling their outer electron shells.
Step 3:: Evaluate each option carefully
Option D: $$\text{Electrical conductivity of metals}
- This describes an ionic bond, not a covalent bond - In ionic bonds, electrons are completely transferred between atoms - Incorrect definition of covalent bonding - Precisely describes the mechanism of covalent bonding - Atoms share electrons to complete their outer electron shell - Allows atoms to achieve a more stable electron configuration - Matches the fundamental definition of covalent bonds - This describes ionic bonding, not covalent bonding - Covalent bonds typically form between nonmetals - Incorrect characterization of covalent bonds - Completely unrelated to covalent bonding - Metallic bonds, not covalent bonds, determine metal conductivity - Incorrect statement about covalent bonds
Step 4:: Select the correct answer
The correct answer is Option B: Covalent bonds occur when two atoms share electrons to achieve a stable electron configuration.
Final Answer
B
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