F4 CHEM OPENER TERM 3 2026
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Word Editable SampleFORM 4 TERM 3 OPENER EXAM 2026
233
CHEMISTRY
TIME: 2 HOURS
Name: ……………………………………………………………………
Index Number: ……………………………
Class: ……………………………
Candidate's Signature: …………………………… Date: ……………………
INSTRUCTIONS TO CANDIDATES
This paper consists of TWO parts: Part I and Part II.
Answer ALL the questions in both Part I and Part II in the spaces provided.
All working must be clearly shown where necessary.
Non-programmable silent electronic calculators and KNEC mathematical tables may be used.
1. (a)Define the term “mole” as used in chemistry. (1 mark)
(b)Calculate the number of moles present in 11.5 g of sodium metal. (Na = 23.0) (2 marks)
2. (a)Draw a dot-and-cross diagram to show the bonding in magnesium chloride, MgCl2. (Mg = 12, Cl = 17) (2 marks)
| Name: …………………………………………………………………… | Index Number: …………………………… |
|---|---|
| Class: …………………………… | Candidate's Signature: …………………………… Date: …………………… |
This document is professionally prepared and verified for Form 4 (Secondary (8-4-4)) • Term 3.
- Competency-driven teacher inquiry models
- Guiding questions for active learner engagement
- Real-life problem-solving applications
- Formative & summative assessment indicators
- Performance levels (Exceeding, Meeting, Approaching)
- Practical assessment task breakdowns