Last updated on Sep 21, 2026

Equations (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Quizzes

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Equations

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9 questions from this quiz

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What are chemical formulae made up of?

Symbols of elements

How many elements are in $NaCl$ ?

2

How many atoms in total are in $NaOH$ ?

3

How many atoms in total are in $Na_2O$ ?

3

How many atoms in total are in $Na_2SO_4$ ?

7

How many elements are in $CaCO_3$ ?

3

How many atoms in total are in $CaCO_3$ ?

5

How many atoms in total are in $(NH_4)_2SO_4$ ?

15

How many hydrogen atoms are in $(NH_4)_2SO_4$ ?

8

Explore OCR GCSE Chemistry A, Combined (Gateway Science Suite) Revision Notes by Topics

Simple Model of the Atom

The Periodic Table

Explore OCR GCSE Chemistry A, Combined (Gateway Science Suite) Model Answers by Topics

Simple Model of the Atom

The Periodic Table

Explore OCR GCSE Chemistry A, Combined (Gateway Science Suite) Flashcards by Topics

Simple Model of the Atom

The Periodic Table

Explore OCR GCSE Chemistry A, Combined (Gateway Science Suite) Exam Questions by Topics

Simple Model of the Atom

The Periodic Table

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