Introduction To Chemistry

Introduction To ChemistryChapter 1

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1

The Meaning of ChemistryA study of the co________, st________, pr____________ and int_________ of matter.Co St Pr IntComposition ?

Structure ?Properties - ?Interaction - ?

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Composition & Structure

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Chemistry word originates from the Arabic word `?

Antoine Lavoisier (French Chemist) founder of modern chemistry

MODERN CHEMISTRYModern chemistry was found in 17th century.A branch of science that deals with ?All matter is ?Downloaded from http://www.pahaikan.synthasite.com

Matter

is any thing that have ?

All the thing in the environment whether ? thing are matters.

Common chemicals used in daily life , NaCl CH3COOH , CaCO3

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The uses of common chemicals in daily lifeName of substanceChemical FormulaUsesTable saltNaClVinegarCH3COOHSulphuric acidH2SO4EthanolC2H5OHCalcium carbonateCaCO3Sodium bicarbonateNaHCO3

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Contains sodium chlorideAlcoholsSodium bicarbonateDownloaded from http://www.pahaikan.synthasite.com

Occupation & ChemistryWhat do you want to do after SPM ? or after you leave Polytechnic? orafter you leave University?

Chemistry opens the door to many careers.

In fact, knowledge of chemistry is useful to almost everyone in every field.

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Occupation & ChemistryTransportation PetroleumMedical PharmacySports Formula 1Social Service Fire Brigade, Chemistry TeacherFertilizer Farmer Downloaded from http://www.pahaikan.synthasite.com

Occupation that require the knowledge of chemistryForensic scientistFood technologist Doctor GeologistEnvironmental scientist Pharmacist PathologistBacteriologistHorticulturalistChemical engineerCosmetic scientistBiochemistLaboratory technicianNutritionistAqua culturistEtc. Downloaded from http://www.pahaikan.synthasite.com

Chemical based Industries in MalaysiaPetronasAsean Bintulu Fertiliser

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The Contribution of Chemical based Industries towards the development of our countryCreate job opportunitiesIncrease export earning (economy) / support other small industriesImprove health and standard of living

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Scientific MethodScientific method is a ?

It usually done to ?

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Steps in Scientific Method

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Terms in Scientific MethodObservation Gathering information using five senses: ?

Inference Making a smart guess or ?

Hypothesis Making general statement about the relationship between ?

in order to explain the question asked.Downloaded from http://www.pahaikan.synthasite.com

Terms in Scientific MethodVariables ?

Record data Record in a ?

Interpreting data ?data

Conclusion Making statement about the ?

Writing report Communicating the details of the experiment to spread and find benefit to the findings.Downloaded from http://www.pahaikan.synthasite.com

Writing Report (Format)Name:Date:Title:Class:

Aim:

Problem statement:

Hypothesis:

Variables:(a) Manipulated variable:(b) Responding variable:(c) Fixed variable:

Materials and Apparatus:

Procedure:

Tabulation of Data:

Discussion:

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NOBLE VALUE AND SCIENTIFIC ATTITUDESObjectivelyCarefullyPatientlyRational

CriticalAnalyticalDiligentPersevering