Bonding & Substance Properties (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How are small molecules formed?
How are small molecules formed?
Atoms join using covalent bonds
How many atoms do small molecules typically contain?
How many atoms do small molecules typically contain?
Between 2-20 atoms
Which of these is an example of a small molecule?
Which of these is an example of a small molecule?
What do dot-and-cross diagrams with electron shells show?
What do dot-and-cross diagrams with electron shells show?
Bonding electrons and lone pairs
What is shown in two-dimensional diagrams of small molecules?
What is shown in two-dimensional diagrams of small molecules?
Covalent bonds as lines between atoms
What are ball and stick models particularly good for understanding?
What are ball and stick models particularly good for understanding?
Molecular shape in 3D space
How many outer electrons does oxygen have in a water molecule?
How many outer electrons does oxygen have in a water molecule?
6 electrons
How many lone pairs does oxygen have in water ()?
How many lone pairs does oxygen have in water ()?
2 lone pairs
Why do small molecules have low melting and boiling points?
Why do small molecules have low melting and boiling points?
Weak intermolecular forces
What state are most small molecules in at room temperature?
What state are most small molecules in at room temperature?
Gases or liquids
Why can't small molecules conduct electricity?
Why can't small molecules conduct electricity?
They have no overall electric charge
How do larger small molecules differ in intermolecular forces?
How do larger small molecules differ in intermolecular forces?
They have stronger intermolecular forces