Energy and Bonding (Grade 11 NSC Matric Physical Sciences): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the energy between two atoms when they are far apart and not interacting?
What is the energy between two atoms when they are far apart and not interacting?
Zero
What happens to energy as two atoms approach each other during bond formation?
What happens to energy as two atoms approach each other during bond formation?
Decreases due to attractive forces
What does the minimum point on an energy diagram represent?
What does the minimum point on an energy diagram represent?
Most stable arrangement of atoms
What does the minimum point on the energy curve correspond to?
What does the minimum point on the energy curve correspond to?
Natural bond length
What is bond length?
What is bond length?
Distance between nuclei of bonded atoms
In which units is bond length typically measured?
In which units is bond length typically measured?
Nanometres or picometres
What does bond energy represent?
What does bond energy represent?
Energy required to break a bond
Is bond formation exothermic or endothermic?
Is bond formation exothermic or endothermic?
Exothermic (releases energy)
How does bond length relate to bond strength?
How does bond length relate to bond strength?
Shorter bonds are generally stronger
What determines overall molecular polarity?
What determines overall molecular polarity?
Bond polarity and molecular geometry