<div data-offset-key="tsr5-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="tsr5-0-0" style="font-weight: bold;"><span data-text="true">Formulae</span></span></div>

<div data-offset-key="cc621-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="cc621-0-0"><span data-text="true">State the formulae of the elements and compounds named in the subject content</span></span></div>

<div data-offset-key="98sr0-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="98sr0-0-0"><span data-text="true">Define the molecular formula of a compound as the number and type of different atoms in one molecule</span></span></div>

<div data-offset-key="c3m8-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="c3m8-0-0"><span data-text="true">Deduce the formula of a simple compound from the relative numbers of atoms present in a model or a diagrammatic representation</span></span></div>

<div data-offset-key="8amda-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="8amda-0-0"><span data-text="true">Construct word equations and symbol equations to show how reactants form products, including state symbols</span></span></div>

<div data-offset-key="a6lmu-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="a6lmu-0-0"><span data-text="true">Define the empirical formula of a compound as the simplest whole number ratio of the different atoms or ions in a compound</span></span></div>

<div data-offset-key="6p7oq-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="6p7oq-0-0"><span data-text="true">Deduce the formula of an ionic compound from the relative numbers of the ions present in a model or a diagrammatic representation or from the charges on the ions</span></span></div>

<div data-offset-key="eavga-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="eavga-0-0"><span data-text="true">Construct symbol equations with state symbols, including ionic equations</span></span></div>

<div data-offset-key="4lt43-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="4lt43-0-0"><span data-text="true">Deduce the symbol equation with state symbols for a chemical reaction, given relevant information</span></span></div>

<div data-offset-key="7ur9h-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="7ur9h-0-0" style="font-weight: bold;"><span data-text="true">Relative Masses of Atoms and Molecules</span></span></div>

<div data-offset-key="drv2b-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="drv2b-0-0"><span data-text="true">Describe relative atomic mass, Ar, as the average mass of the isotopes of an element compared to 1/12th of the mass of an atom of C-12</span></span></div>

<div data-offset-key="b1td-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="b1td-0-0"><span data-text="true">Define relative molecular mass, Mr, as the sum of the relative atomic masses. Relative formula mass, Mr, will be used for ionic compounds</span></span></div>

<div data-offset-key="af1vi-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr"><span data-offset-key="af1vi-0-0"><span data-text="true">Calculate reacting masses in simple proportions. Calculations will not involve the mole concept</span></span></div>