Last updated on Sep 20, 2026

Equations (AQA GCSE Chemistry): Flashcards

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Equations

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How are compounds represented?

Using formulae made of element symbols

Formula of sodium chloride

NaCl

Formula of sodium hydroxide

NaOH

Formula of sodium oxide

$Na_2O$

Formula of sodium sulfate

$Na_2SO_4$

Formula of calcium carbonate

$CaCO_3$

Total atoms in $Na_2O$

3

Total atoms in $Na_2SO_4$

7

Total atoms in $CaCO_3$

5

Total atoms in $(NH_4)_2SO_4$

15

Formula of ammonium sulfate

$(NH_4)_2SO_4$

Explore AQA GCSE Chemistry Revision Notes by Topics

Simple Model of the Atom

The Periodic Table

Properties of Transition Metals

Explore AQA GCSE Chemistry Model Answers by Topics

Simple Model of the Atom

The Periodic Table

Properties of Transition Metals

Explore AQA GCSE Chemistry Quizzes by Topics

Simple Model of the Atom

The Periodic Table

Properties of Transition Metals

Explore AQA GCSE Chemistry Exam Questions by Topics

Simple Model of the Atom

The Periodic Table

Properties of Transition Metals

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