Description
Dear Learners,
Hello and welcome to the world of chemistry!
This online module is designed to engage you through interactive activities and real-world examples, providing a thorough exploration of the periodic classification of elements and chemical bonding. The course is divided into two main units, each tailored to deepen your understanding and appreciation of these fundamental concepts.
Unit 4 focuses on the historical development and structure of the periodic table. You will gain a foundational understanding of its evolution and the implications of its organization for the study of chemistry. This unit is crafted to provide Grade 9 learners with a solid base in the principles underlying the periodic classification of elements.
Unit 5 delves into the fundamental concepts of chemical bonding. You will explore various types of bonds, including ionic, covalent, and metallic, and their roles in molecule formation. Through interactive lessons and practical exercises, this unit aims to equip Grade 9 learners with essential skills and a comprehensive understanding of chemical bonding, highlighting its significance in the field of chemistry.
This module is structured to be engaging, informative, and relevant, reflecting how chemistry influences our world and contributes to sustainable development in Ethiopia and beyond.
I hope you find this module both educational and inspiring as you explore the principles of chemistry.
Competencies
Upon the completion of this module, you should be able to:
- Demonstrate understanding of the historical development of the periodic classification of the elements.
- Explain the periodic classification of elements and its significance.
- Correlate electron configurations with periodic trends and predict properties of elements based on the periodic table.
- Classify elements and compounds based on chemical patterns and trends.
- Apply scientific inquiry skills: observing, inferring, predicting, classifying, comparing, contrasting, modeling, and problem-solving.
- Analyze the formation and properties of ionic, covalent, and metallic bonds.
- Draw Lewis structures for simple ionic and covalent compounds and explain molecular polarity.
Content
4: Periodic Classification Of Elements
Lesson 1: Periodic Classification Evolution
Lesson 2: The Modern Periodic Table
Lesson 3: Periodic Table Trends
5: Chemical Bonding
Lesson 4: Chemical Bonding
Lesson 5: Ionic Bonding
Lesson 6: Covalent Bonding
Lesson 7: Metallic Bonding
Assessment
Assessment in this module may include:
- Mid Exam
- Quiz and test
- Final Exam
References
- Grade 9 textbook
- Atkins, P., & Jones, L. (2016). Chemistry: Molecular Science. Oxford University Press.
- Timberlake, K. C. (2017). Chemistry: An Introduction to General, Organic, and Biological Chemistry. Pearson Education.
