Intermolecular Forces and Allotropy (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the key principle of VSEPR theory?
What is the key principle of VSEPR theory?
Electron pairs maximize their distance apart
When predicting molecular shape, which electron pairs must be counted?
When predicting molecular shape, which electron pairs must be counted?
Both bonding and lone pairs
What is the bond angle in a linear molecule with 2 electron pairs?
What is the bond angle in a linear molecule with 2 electron pairs?
What shape does have with 3 electron pairs?
What shape does have with 3 electron pairs?
Trigonal planar
What is the bond angle in with 4 bonding pairs?
What is the bond angle in with 4 bonding pairs?
What molecular shape does have?
What molecular shape does have?
Pyramidal
What shape does have with 2 bonding and 2 lone pairs?
What shape does have with 2 bonding and 2 lone pairs?
Bent
What shape has 5 bonding pairs around a central atom?
What shape has 5 bonding pairs around a central atom?
Trigonal bipyramidal
What defines molecular shape when lone pairs are present?
What defines molecular shape when lone pairs are present?
Positions of atoms only, not lone pairs
Why do and have different shapes?
Why do and have different shapes?
NH₃ has a lone pair; BCl₃ doesn't