A. Meaning of Chemistry
B. Scientific Methods
C. Chemistry in Our Life
D. Uses of Chemistry
E. Laboratory Safety and Precautions
1 State the meaning of Chemistry.
2 Identify and write materials that relate to chemistry, e. g salts, soap and other chemical products used at home.
3 Mention the scientific methods in Chemistry.
4 Outline the procedures involved in scientific methods.
A. Adverse effects of Chemistry
B. Careers in Chemistry
C. Laboratory Apparatus and their Uses
1 List the adverse effects of Chemistry.
2 Highlight the careers in Chemistry.
A. Meaning and states of matter
B. Properties of matter
C. Physical and chemical changes
D. Differences between physical and chemical changes
1 Define matter.
2 Mention the state in which water, ice and smoke exist.
3 Give example of materials that change directly from solid to gas.
4 State the properties of each of the state of matter.
A. Definition of an element
B. Symbols of elements
C. Rules for writing chemical symbols of elements
D. Meaning of mixtures and examples
E. Meaning of compounds and examples
F. Differences between mixtures and compounds
1 Use the Periodic Table to mention different elements.
2 Mention the first thirty elements and their symbols.
3 State the meaning of mixtures.
4 State the characteristics of mixtures.
A. Principles behind choice of separation technique
B. Sieving, magnetization and sublimation
C. Decantation, filtration and centrifugation
D. Evaporation to dryness, crystallization and fractional crystallization
1 State the technique used to separate mixture of beans and rice.
2 State the principles behind the choice of techniques for separation.
3 State the techniques used to separate the mixtures of iron fillings and iodine crystals.
4 Separate mixtures of iron fillings and iodine crystals.
A. Precipitation, distillation and fractional distillation
B. Use of separating funnel
C. Chromatographic separation
D. Test for purity
1 List the apparatus used for distillation.
2 Mention the apparatus used for separating immiscible liquids.
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A. Relative atomic mass and molecular mass
B. Percentage by mass of elements in a compound
C. Moles and molar mass
D. Laws of chemical combination: conservation of matter and definite proportion
E. Laws of multiple proportion and reciprocal proportion
1 State the law of conservation of mass.
2 Use the Periodic Table to state the atomic number of first thirty elements.
3 Calculate percentage by mass of elements in a compound.
4 State the difference between mass and molar mass.
A. Dalton’s atomic theory and its modification
B. Sub particles of atoms: experimental discovery of electron, neutron, and proton
C. The four quatum numbers, atomic orbital and electronic structure
D. Atomic number, mass number and isotopy
1 State Dalton’s atomic theory.
2 State the particles present in a matter.
3 State the sub-particles of atoms and their location.
4 State the four quantum numbers and the rules for writing electrons into the orbital.
A. Concept of oxidation number
B. Naming of compounds using IUPAC
C. Empirical formula
D. Molecular formular
1 State the oxidation number of some elements and compounds.
2 Calculate oxidation number of elements in compound.
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