Polarity in Molecules (VCE SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does electronegativity measure in a chemical bond?
What does electronegativity measure in a chemical bond?
How strongly an atom attracts electrons
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 element is the most electronegative?
Which element is the most electronegative?
Fluorine
What type of bond forms between two identical atoms?
What type of bond forms between two identical atoms?
Non-polar bond
In a polar bond, which atom has the partial negative charge ()?
In a polar bond, which atom has the partial negative charge ()?
The more electronegative atom
What electronegativity difference indicates an ionic bond?
What electronegativity difference indicates an ionic bond?
Greater than 1.7
Why is methane () non-polar despite having polar bonds?
Why is methane () non-polar despite having polar bonds?
Its tetrahedral shape is symmetrical
What determines if a polyatomic molecule is polar?
What determines if a polyatomic molecule is polar?
Both bond polarity and molecular shape
Which bond is more polar: HF or CO? (H=2.2, F=4.0, C=2.6, O=3.4)
Which bond is more polar: HF or CO? (H=2.2, F=4.0, C=2.6, O=3.4)
HF
How do microwave ovens use molecular polarity to heat food?
How do microwave ovens use molecular polarity to heat food?
Polar molecules rotate in electric field