logo

Cambridge IGCSE Chemistry practice

Paper 3 structured question: Formulae

Try the question first, then check the answer and practise the same topic again.

Attempt questionFormulae revisionRevise the key idea

At a glance

3

Paper

1

Marks

Topic

Formulae

Exam-style question

Try this first

Paper 3Theory (Core)1 marks

Molecular formulas provide insight into the composition of compounds.

Description

Molecular Formula Analysis

Consider the molecular formula C4H10. This indicates a compound with 4 carbon atoms and 10 hydrogen atoms.

  1. a

    State the name of the compound represented by the molecular formula C4H10.

    Aim for approximately 1 distinct marking point.

    [1]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 3 structured question: Formulae

Paper 3Theory (Core)1 marks

Description

Molecular Formula Example

The molecular formula of a compound is represented as CxHyOz, where x, y, and z are integers that indicate the number of carbon, hydrogen, and oxygen atoms, respectively.

  1. a

    State the molecular formula for a compound that contains 3 carbon atoms, 8 hydrogen atoms, and 2 oxygen atoms.

    Aim for approximately 1 distinct marking point.

    [1]