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Question & Answer1
Understand Question2
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Explore TopicChoose the Best Answer
A
Higher electronegativity in one atom leads to unequal sharing of electrons.
B
Electronegativity has no effect on bond polarity.
C
Electronegativity affects the size of the atoms involved in the bond.
D
All atoms in a molecule have the same electronegativity.
Understanding the Answer
Let's break down why this is correct
Answer
Electronegativity tells us how strongly an atom pulls shared electrons toward itself. When two atoms form a bond, the one with the higher electronegativity pulls the shared electrons closer, leaving the other atom slightly positive and the first slightly negative. This unequal sharing creates a dipole moment, making the bond polar. For example, in a water molecule, oxygen’s higher electronegativity pulls electrons toward itself, giving oxygen a partial negative charge and hydrogen a partial positive charge, which makes the O‑H bond polar.
Detailed Explanation
Electronegativity is a measure of how strongly an atom pulls electrons (how much it wants them). Other options are incorrect because Some think electronegativity doesn’t affect polarity; It is easy to think electronegativity changes an atom’s size.
Key Concepts
Electronegativity
Bond Polarity
Chemical Reactivity
Topic
Electronegativity
Difficulty
medium level question
Cognitive Level
understand
Practice Similar Questions
Test your understanding with related questions
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Question 1How does electronegativity influence the formation of ionic and covalent bonds in molecules?
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Question 2How does the trend of electronegativity across periods and groups influence the polarity of bonds in compounds?
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Question 3Arrange the following steps in the correct order to explain the concept of electronegativity and its impact on chemical bonding: A) Electronegativity values determine the polarity of bonds, B) Atoms with higher electronegativity attract shared electrons more strongly, C) The difference in electronegativity values between two atoms can predict bond type, D) Electronegativity trends can be observed across the periodic table.
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Question 4How does electronegativity influence the polarity of a bond between two atoms?
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Question 5How does electronegativity influence the formation of ionic and covalent bonds in molecules?
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Question 6How does the trend of electronegativity across periods and groups influence the polarity of bonds in compounds?
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Question 7Arrange the following steps in the correct order to explain the concept of electronegativity and its impact on chemical bonding: A) Electronegativity values determine the polarity of bonds, B) Atoms with higher electronegativity attract shared electrons more strongly, C) The difference in electronegativity values between two atoms can predict bond type, D) Electronegativity trends can be observed across the periodic table.
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