C4+-+Syllabus+Checklist

**C4. Stoichiometry**

 * ======Serial No====== || ====== **Assessment Statement.**  ======

//All candidates should be able to://
|| ======Covered in Class====== || ======Revised @ home====== || ======I am certain====== || ======I need help====== ||
 * ====== 1  ====== || ======Use the symbols of the elements to write the formulae of simple compounds.====== ||   ||   ||   ||   ||
 * ====== 2  ====== || ======Deduce the formula of a simple compound from the relative numbers of atoms present.====== ||   ||   ||   ||   ||
 * ====== 3  ====== || ======Deduce the formula of a simple compound from a model or a diagrammatic representation.====== ||   ||   ||   ||   ||
 * ====== 4  ====== || ======Construct and use word equations.====== ||   ||   ||   ||   ||
 * ====== 5  ====== || ======Determine the formula of an ionic compound from the charges on the ions present.====== ||   ||   ||   ||   ||
 * ====== 6  ====== || ======Construct and use symbolic equations with state symbols, including ionic equations.====== ||   ||   ||   ||   ||
 * ====== 7  ====== || ======Deduce the balanced equation for a chemical reaction, given relevant information.====== ||   ||   ||   ||   ||
 * ====== 8  ====== || ======Define //relative atomic mass//, Ar.====== ||   ||   ||   ||   ||
 * ====== 9  ====== || ======Define //relative molecular mass//, Mr, as the sum of the relative atomic masses (//relative////formula mass// or Mr will be used for ionic compounds).====== ||   ||   ||   ||   ||
 * ======**4.1 The mole concept**====== ||
 * ====== 1  ====== || ======Define the //mole// in terms of a specific number of particles called Avogadro’s constant. (Questions requiring recall of Avogadro’s constant will not be set.).====== ||   ||   ||   ||   ||
 * ====== 2  ====== || ======Use the molar gas volume, taken as 24 dm3at room temperature and pressure.====== ||   ||   ||   ||   ||
 * ====== 3  ====== || ======Calculate stoichiometric reacting masses and reacting volumes of solutions; solution======

concentrations will be expressed in mol/ dm3. (Calculations involving the idea of limiting reactants may be set.)
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