Page 13 - Chemistry ICSE Class IX
P. 13

CHAPTER 1











                   The Language of Chemistry












                                                    TOPICS COVERED

              ƒ  Atomic symbols                 ƒ  Writing the molecular          ƒ  Balancing of chemical
              ƒ  Valence electrons                formulae of molecular             equations
              ƒ  Valency                          compounds                       ƒ  Atomic mass and relative
              ƒ  Radicals                       ƒ  Writing the formulae of ionic    atomic mass
              ƒ  Molecule and molecular           compounds                       ƒ  Molecular mass and relative
                                                                                    molecular mass
               formula                          ƒ  Chemical equation
                                                                                  ƒ  Composition of a compound




                                         Highlight the past and   TOPIC-WISE             Provide the first step in
                BOXED FEATURES           future developments in   ASSIGNMENTS            testing your learning
                                         science


                                         Help develop your                               Enable you to measure
                ILLUSTRATIVE             understanding for the   LET US ANSWER SOME
                QUESTIONS                topics studied         MORE QUESTIONS           your conceptual
                                                                                         understanding



                                                                 Helps you to reflect back
                                        LET US SAY IT AGAIN      on what you have learned
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