CHE011 Chemistry Semester1

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Subject Name: Chemistry (First semester)

Subject Code CHE011

Contact Hours 3

Credit Points 9

Medium of Instructions: English

Pre-requisite: Nil

Co-requisite: Nil

Minimum qualification and experience

Required by instructor/Lecturers:

Maximum class-size per instructor: 30/Tutorial

INTRODUCTION

Chemistry is the study of Chemicals, but since everything is made up of chemicals, this can be

seen as a daunting prospect. A chemist plays an important role in manufacturing a wide range of

products such as drugs, paints, detergents, foods, drinks, fuels, fabrics. As we start to look at

Chemicals, we can see that many of them share the same properties or are related in some way.

This syllabus is designed to place less emphasis on factual material and greater emphasis on the

standing and application of scientific concepts and principles. Most of the topics included in this

component are the same as prescribed in IGCSE OLevel Chemistry. This approach has been

adopted in recognition of the need for students to develop skills that will be of long term value in an

increasingly technological world.

OUTCOMES

The aims are to develop abilities and skills that,

1. are relevant to the study and practice of science.

2. are useful in everyday life.

3. encourage efficient and safe practice.

4. encourage effective communication.

METHODOLOGY

The teaching of chemistry at this level will be based on lectures as well as tutorial discussions. All

the students will gather for a mass lecture in the auditorium. Tutorial discussion will be conducted in

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separate groups in the classes. Mass lecture will be given with the help of multimedia facilities. The

teacher will use all the AV aids available in the campus to make the lecture educative. For tutorials,

the teacher will discuss the topics of the mass lectures in small groups. The students will be able to

clear their doubts in the tutorials. The teacher will prepare a work sheet based on the topics taught

in the mass lecture. The examples and questions given in the prescribed book will be emphasized.

However, the teacher can use other relevant books also. The students are expected to prepare

their own notes and get checked by the teacher.

LECTURE/TUTORIAL PLAN

The following is a plan to give the students a guideline as to what content will be covered each

week.

Week

No.

No . of periods

allocated

Topics

Lectures tutorials

1 1 2 States of matter, melting point, boiling point, Heating andcooling curve.Matter and its characteristicsSolids, liquids and gases and particles arrangement.Melting point, Boiling point, Freezing point, Vaporization point.Laboratory apparatus and safety equipment.Mixtures and compounds, definitions, properties

2 1 2 separation and purification of mixtures.(Filtration, Distillation, Fractional distillation, chromatographyetc).

Atomic structureElements, Atoms and molecules

Atomic structure and properties of sub-atomic particles e,n,p.Periodic table, Periods and groupsTrends in the periodic table Metallic and non-metalliccharacter

3 1 2 Ionic and properties of compounds, metallic bondingIonic bonds, Properties of ionic bonding compounds.Dot-cross diagrams for ionic bonding compounds.Crystal structure of NaCl.Properties of metals. Properties of metals in terms of metallicbonds such as electrical conductivity, Hardness, Thermal

conductivity, Malleability, Ductility.4 1 2 covalence and properties of compounds

Covalent bonding, Properties of covalent bonding molecules.Single, Double and triple bonds.Shapes of molecules such as CH4, H2O, CO2 etc.Giant covalent structures of graphite, Diamond and Silicondioxide.

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5 1 2 RAM, RMM, mole concept, Avagardros constant, molecalculation.Definitions of Atomic number, Mass number, RAM, RMM,calculation of RMM, isotopes and their properties. The

Avagradros constant and mole concept.

6 1 2 Molar volume, ConcentrationMolar volume of a gas and calculation based on the conceptConcentration (molarity) and calculation based on the concept.Mole calculation including mass, molar mass, molar volume,concentration etc.

7 1 2 Acids, alkalis, indicatorsAcids, Bases and Alkalis, IndicatorspH scaleStrong acids and weak acids/bases

8 1 2 Solubility, Solubility rules of salts, solubility curve, salts andtheir preparation.Definition, solubility rules for gp 1 and gp 2, ammoniumcompounds and negative ions (nitrate, sulphate, chloride,carbonates, hydroxide etc).4 methods of preparation of soluble salts, preparation ofinsoluble salt.

9 1 2 Identification of cations such as ammonium, aluminium,barium, calciumIdentification of anions such as chloride, iodide, hydroxide,carbonate, sulphate, nitrateComposition of air, preparation, test for gasesGas preparation and identification

10 1 2 Test for gases Oxygen, carbon dioxide, hydrogenProperties and uses of gases including noble gas.

Air pollution, pollutants in air, causes and effects, preventivemeasures.

Acid rain and environmental effects

11 1 2 Water properties, uses hard water and soft water Water pollution and water purification, Water cycleDifferences between hard water and soft waterMethods of purification of waterTest for water vapour.

12 1 2 Hydrogen, its properties and uses.Group I, II, III metal properties and their uses.Group I : Alkali metal and propertiesGroup II: Alkaline earth metal and propertiesThermal decomposition of group I and II metal carbonates,nitrates.

13 1 2 Group III AluminiumGroup IV carbon and silicon their structure and propertiesCarbon cycle

14 1 2 Group 5.Properties of Nitrogen and Phosphorus

Ammonia preparation, properties, uses, testsnitric acid preparation, properties, uses and nitrogen cycle.Industrial preparation of ammonia by Haber processIndustrial preparation of nitric acid by Oswald process

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15 1 2 Revision

ASSESSMENT SCHEME

The assessment programme for this subject is as follows.

Component Due date weightings Total marks DurationClass Test End of 7th week 10 % 50 1 hour

Assignment 10th week 10 % 50 3 weeksExamination End of term 1 20 % 75 2-3 hours

Class test comprises 20 MCQs and four or five structured questions. Total 50 marks = 20 marks

for MCQs + 30 marks for structured questions.

Semester 1 Exam will be based on the topics taught in the first 15 weeks. The test will comprise 30MCQs and five or six structured questions. Total 75 marks = 30 marks for MCQs + 45 marks for

structured questions.

ASSIGNMENT DETAILS

The assignments will be based on the topics finished as well as yet to be taught. The questions

given in the assignment will be designed in such a way that the student will learn to do research

work. Direct questions will be avoided. There will be some questions based on experimental workalso. The students will be given 3 weeks to complete the assignment work. The assignments must

be submitted by the due date. Late submission of assignments will cause deduction of marks at the

rate of 5 marks per day.

Assignments should be typed so that it looks legible and tidy. The assignment work must be a

genuine self effort. Assignments which are copied from anyone else will not be accepted and no

marks will be given for it. The teacher will provide detailed instructions for completing the

assignment.

To obtain a pass in this subject, you must

1. submit the assignment and sit the tests; and

2. obtain a minimum mark of 50 percent overall.

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COURSE REGULATIONS

We draw your attention to MCHE course regulation, particularly to those clauses which deal with

attendance, assessment, plagiarism, cheating, sitting tests and completing assignments by the due

date. You should familiarize yourselves with regulations which are fully stated in College Student

Handbook.

ATTENDANCE

Attendance at all session is compulsory. A register will be kept at all lectures/tutorials. A student

with 20 percent or more absences at lectures/tutorials without documentation excusing attendance

(i.e. medical certificate) may not be eligible to sit in the final exam.

STUDY HOURS OUTSIDE CLASS CONTACT

The total contact hours for semester 1 are 45. Leaving the time spent in class (i.e. three hours per

week) you are expected to spend sufficient time per week in private reading, study and course work

for this subject.

PLAGIARISM

Plagiarism and cheating are serious offences and will be severely dealt with. Plagiarism involves

using the work of another person and presenting it as ones own. Encouraging or assisting another

person to commit plagiarism is a form of improper collusion and is also unacceptable.

Any of the following acts constitutes plagiarism unless the sources of each quotation or piece of

borrowed material are clearly acknowledged:

1. copying out part(s) of any document or audio-visual material (including computer based materials);

2. using or extracting another persons concepts, experimental results, or conclusions;

3. summarizing another persons work;

4. in an assignment where there was collaborative preparatory work, submitting

substantially the same final version as another student whether in whole or part.

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LEARNING MATERIALS

1. Foundation studies 1 (Chemistry component book), Maldives National University.

2. Success in Chemistry by John Bandtock and Paul Hanson

3. Chemistry Cambridge low price edition by Richard Harwood

4. Complete Chemistry GCSE(O/L) Educational Development Centre, Maldives.

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CHE011 Chemistry Semester1