Electronegativity and Polarity (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does electronegativity measure in a covalent bond?
What does electronegativity measure in a covalent bond?
How strongly an atom attracts electrons
What is the Pauling electronegativity value of fluorine?
What is the Pauling electronegativity value of fluorine?
4.0
How does electronegativity change across a period from left to right?
How does electronegativity change across a period from left to right?
It increases
Which group contains elements with the lowest electronegativity values?
Which group contains elements with the lowest electronegativity values?
Group 1 metals
What type of bond forms when electronegativity difference is greater than 1.8?
What type of bond forms when electronegativity difference is greater than 1.8?
Ionic bond
In a polar bond, which atom gets the partial charge?
In a polar bond, which atom gets the partial charge?
The more electronegative atom
Why is non-polar despite having polar C=O bonds?
Why is non-polar despite having polar C=O bonds?
Linear shape makes dipoles cancel out
Why are C—H bonds essentially non-polar?
Why are C—H bonds essentially non-polar?
C and H have similar electronegativity
Why is the water molecule polar?
Why is the water molecule polar?
Bent shape means dipoles don't cancel
In water, which part of the molecule attracts ions?
In water, which part of the molecule attracts ions?
Oxygen atoms with charges