1 | Page OBJECTIVES OF ATOMIC STRUCTURE THE STRUCTURE OF THE ATOM IC A nalysing m atter Synthesising atom ic structure U nderstanding isotopesand assessing theirim portance U nderstanding the electronic structure of an atom 1.D efine m atter. 2.State ‘ParticlesTheory ofM atter’ 3.State ‘K inetic Theory ofM atter’. 4.List3 typesofparticlesofm atter. 1. Listthe scientistw ho takespartin producing atom icm odel. 2. W hatism ean by proton num ber? 3. W hatism ean by nucleon num ber? 1. D efine isotope. 2. N am e the isotopesof iodine. 1. N am e allthe shellsofa m agnesium atom . 2. Proton N um berofan atom X is 19. W rite the electronic arrangem entofthe atom X. 3. W hatisanothernam e for outerm ostshell? A ppreciate the orderlinessand uniquenessofthe atom ic structure 2.1 2.2 2.3 2.4 2.5 1.D escribe the contribution ofscientist tow ard understanding of the atom ic structure. C hapter2 T.2.0 H akcipta Terpelihara. M ATTER D efinition of m atter Particle Theory and K inetic Theory ofm atter Type ofm atter particles Statesofm atter The changing of statesofm atter M atterissubstanceshaving m assand volum e. M atterconsistsofvery sm all and discrete particles . The Collision ofparticlesis elastics . Proof: The diffusion in solid, liquid and gas. Exam ples: 1.D iffusion ofbrom ine in air. 2.D iffusion ofcopper sulphate in w ater. 3. State ofm atterand com parison betw een the statesofm atter SO LID GAS M elting Freezing LIQ U ID Experim ent: H eating N aphthalene Experim ent : To estim ate the m olecular size ofan oilm olecule 1. 2. 3. Character Solid Liquid G as 1.Particles arrangem ent 2.Particles vibrating, m oving m oving M ovem ent rotating random ly, random ly vibrating, vibrating, rotating . rotating. 3.Particles energy Low m oderate high 4.A ttractive force Strong m oderate W eak T.2.1 Chemistry Module 2009 @ Hak Milik JPN Pahang 1