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chemistry form two summary
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"Chemical Bonding and Reactions: Exploring the Periodic Table and Stoichiometry"
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CHEMISTRY SCHEMES OF WORKFORM TWO 2013
TERM I
REFERENCES:
1. KLB Secondary Chemistry Form 2 Students Book (2nd Edition) KLB BK 2
2. KLB Secondary Chemistry Form 3 Students Book (2nd Edition) KLB BK 3
3. Comprehensive Secondary Chemistry BK 2 (CSC)
4. Principles of Chemistry Form 2 by Muchiri and V.W Maina (POC F2)
5. Principles of Chemistry Form 3 by Muchiri and V.W Maina (POC F3)
1
,WK LSN TOPIC/S-TOPIC OBJECTIVES L/ACTIVITIES L/T AIDS REFERENCE REMARKS
1 SCHOOL OPENING
2 1&2 Structure of the atom By the end of the lesson, the learner
and the periodic table should be able to:-
- Structure of the atom - Define atom - Notes taking Chart of the structure KLB BK 2 Pg 1
- Name the subatomic particles and - Discussion of the atom CSC Pg 2-3
Where found - Drawing and labeling POC BK2 Pg 3-6
- Describe the structure of the atom and the atom
label it
3 Atomic number and By the end of the lesson, the learner
Atomic mass should be able to:-
- Define atomic number and atomic - Discussion KLB BK 2 Pg 2-3
mass - Notes taking Past questions CSC Pg 6-7
- Do simple calculations on how to find - Calculation POC BK2 Pg 7-9
either of the given one of them
4 Isotopes By the end of the lesson, the learner
should be able to:-
- Define isotopes - Discussion - Chalkboard KLB BK 2 Pg 4
- Name some elements that exhibit - Notes taking - Charts CSC Pg 8
Isotopes - Calculation POC BK2 Pg 10-12
- Name isotopes of hydrogen
3 1&2 Energy levels and By the end of the lesson, the learner
Electron arrangement should be able to:-
- Write the electronic arrangement of - Discussion Charts of E.C of the KLB BK 2 Pg 4-7
The 1st 20 elements - Notes taking 1st 20 elements CSC Pg 4
- State the importance of the number of - Writing of the E.C POC BK2 Pg 4-7
energy levels as well as the number of
electrons in the outermost energy level
3,4 Development of the By the end of the lesson, the learner
Periodic table should be able to:-
- Build up the periodic table for the 1st - Discussion - Manila KLB BK 2 Pg 8-9
20 elements based on the no. of energy - Notes taking - Plasticine CSC BK 2 Pg 5, 11
levels and no. of electrons in the - Class activity - Ruler POC BK2 Pg 13-16
outermost energy level. - Felt pens
- Explain the position of an element in - Charts of the 1st 20
The table elements
4 1&2 Relative atomic mass By the end of the lesson, the learner
and isotopes should be able to:- - Discussion KLB BK 2 Pg 10
- Define relative atomic mass (r.a.m) - Notes taking Past questions CSC BK 2 Pg 9-11
2
, - Calculate the r.a.m from isotopic - Calculations
composition
3,4 Valency and Ion By the end of the lesson, the learner
Formation should be able to:-
Radicals - Define valency KLB BK 2 Pg 12
- Describe formation of simple ions - Discussion - Charts CSC BK 2 Pg 13-18
- Define ionization energy and electron - Notes taking - Manilla papers POC BK 2 Pg 16-26
affinity - Drawing of ions
- Derive the valency of an atom from
its position in the periodic table
5 1&2 Oxidation numbers By the end of the lesson, the learner
should be able to:-
- Define oxidation number - Discussion Charts of O.N of KLB BK 2 Pg 12
- State the rules of determining ON of - Notes taking common elements CSC BK 2 Pg 16-18
atoms of elements and their ions
Chemical formula Write chemical formula of common - Discussion - Cards
radicals - Notes taking - Chalkboard KLB BK 2 Pg 16-19
- Writing of formulas for - Charts CSC BK 2 Pg 21
some compounds
3,4 Chemical formula By the end of the lesson, the learner - Discussion - Cards
should be able to:- - Notes taking - Charts KLB BK 2 Pg 16-19
Derive the formula of simple - Writing of formulas for CSC BK 2 Pg 21
compounds from valencies of elements some compounds
and radicles
6 1&2,3,42
Chemical equations By the end of the lesson, the learner - Discussion Balanced equations KLB BK 2 Pg 20-22
should be able to:- - Writing of simple POC BK 2 Pg 30-33
Write simple balanced equations Chemical equations
3,4 Chemical equations Write simple equations which are - Notes taking
balanced - Write simple Balanced simple KLB BK 2 Pg 20-22
Chemical equations equations CSC BK 2 Pg 24
7 1&2 Chemical equations Write simple balanced equations - Discussion
- Writing of balanced KLB BK 2 Pg 20-22
equations CSC BK 2 Pg 24
3,4 Chemical families By the end of the lesson, the learner
Patterns and properties should be able to:-
- Alkali metals - Identify alkali metals in the periodic - Discussion - Charts KLB BK 2 Pg 26-27
table and write their electronic - Notes taking - Past questions CSC BK 2 Pg 27
arrangement. POC BK 2 Pg 39-42
- State and explain the trend in size of
the alkali metals, ion and ionization
energy
3
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