Simple molecular structures (Edexcel GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a simple molecular structure?
What is a simple molecular structure?
Millions of small molecules weakly attracted
What are intermolecular forces?
What are intermolecular forces?
Weak attractions between molecules
How do intermolecular forces compare to covalent bonds?
How do intermolecular forces compare to covalent bonds?
Much weaker than covalent bonds
Why do simple molecular substances have low melting and boiling points?
Why do simple molecular substances have low melting and boiling points?
Weak intermolecular forces need little energy
What state are simple molecular substances often in at room temperature?
What state are simple molecular substances often in at room temperature?
Gases or liquids
At what temperature does water boil?
At what temperature does water boil?
What does volatile mean?
What does volatile mean?
Changes from liquid to gas easily
Why are simple molecular substances volatile?
Why are simple molecular substances volatile?
Weak forces let molecules escape quickly
Why do many simple molecular substances have strong smells?
Why do many simple molecular substances have strong smells?
They are volatile and evaporate easily
Why don't simple molecular substances conduct electricity?
Why don't simple molecular substances conduct electricity?
No free electrons or charged particles
What happens to electrons in simple molecular structures?
What happens to electrons in simple molecular structures?
All used in forming covalent bonds
Does pure water conduct electricity?
Does pure water conduct electricity?
No, it does not conduct electricity