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Water for life
Atoms, elements and molecules are the building blocks of everything that makes up our world, including ourselves. In this free 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.
You can start this course right now without signing-up. Click on any of the course content sections below to start at any point in this course.
If you want to be able to track your progress, earn a free Statement of Participation, and access all course quizzes and activities, sign-up.
- Learning outcomes
- 1 The power of water
- 2 Earth's store of water
- 2 Earth's store of water
- 2.1 Where water occurs and how we measure it
- 2.2 Going up: using scientific notation for large numbers
- 2.3 The study of a raindrop
- 2.4 Going down: using scientific notation for small numbers
- 2.5 What is water made of?
- 2.6 Models of a water molecule
- 2.7 The 'salt' in seawater
- 3 What are compounds?
- 4 Inside the atom
- 5 Molecules and covalent bonding
- 6 Chemical language
- 7 Ions and ionic bonding
- 8 Water and its impurities
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About this free course
15 hours study
Level 1: Introductory
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