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Atoms, elements and molecules are the building blocks of everything that makes up our world, including ourselves.
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Description
In this course, Water for life, you will learn the basic chemistry of how these components work together, starting with a chemical compound we are all very familiar with water.
Course learning outcomes
After studying this course, you should be able to:
- Read data presented in tables
- Use scientific notation to express both large and small quantities
- Appreciate why chemists use different models to represent molecules
- Identify the number and type(s) of atom present in a molecule from its chemical formula
- Identify the reactants and products of a reaction in a chemical equation.
Course content
- Introduction 00:05:00
- Learning outcomes 00:07:00
- The power of water 00:15:00
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- Where water occurs and how we measure it 00:40:00
- Going up: using scientific notation for large numbers 00:40:00
- Using a calculator for scientific notation 00:30:00
- The study of a raindrop 00:20:00
- Going down: using scientific notation for small numbers 00:35:00
- What is water made of? 00:25:00
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- (a) Using Lego as a model 00:10:00
- (b) Using spheres 00:30:00
- The ‘salt’ in seawater 00:25:00
- What are compounds? 01:00:00
- Inside the atom 01:00:00
- Molecules and covalent bonding 01:00:00
- Introduction 00:05:00
- Chemical symbols 00:25:00
- Chemical formulas 00:30:00
- Chemical equations and chemical reactions 00:40:00
- Writing a chemical equation to describe a chemical process 00:40:00
- Ions and ionic bonding 02:00:00
- Water and its impurities 00:40:00
- Conclusion 00:15:00
Instructor
Open University UK
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