Topics and Learning Outcomes

Elements and Atoms
- explain what an element is
- appreciate that elements may be metals or non-metals and may be solids, liquids or gases and what these terms mean
- recognize that elements are labelled using their chemical symbol
- explain the differences between elements, compounds and mixtures
- explain the difference between allotropes and the physical state of an element
- explain what atoms are and how they combine to form compounds
- appreciate the difference between physical and chemical properties
- list the particles that make up atoms, their symbols and their relative masses and charges
- read and write the atomic symbol containing the mass number and atomic number
- explain what isotopes are and work out the number of neutrons an isotope contains from its atomic symbol
- explain how elements can change into another by radioactive decay
- explain what light is and how its energy is related to its frequency and wavelength
- draw the shell structure of atoms with up to 18 electrons

Textbook and eBook References

Elements and Atoms - Chapters 1 - 2

references are to: [main text] Blackman, Bottle, Schmid, Mocerino and Wille, Chemistry, 3^rd Edition, 2015 (John Wiley)
[fundamentals focused alternative] Blackman, Bridgeman, Lawrie, Southam, Thompson and Williamson, Chemistry: Core Concepts, 2015 (John Wiley)

Numbers used to describe atoms (in Wikibooks General Chemistry)
Periodic Table (in ChemWiki)
Elements (in ChemWiki)

the eBook reference is free and is taken from high quality sources.

Lecture Notes, Tutorial Worksheets & Answers and Suggested Exam Questions

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ChemCAL and iChem Resources

Elements and Atoms

Contributed Links and Resources

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Elements and Atoms -

Test: chemical vs physical properties

Description: 10 true/false questions to test your knowledge of which properties are termed physical or chemical.
Tags: physical properties | chemical properties | Contributed by Toby Hudson

Separation Techniques - Sulfur and Iron Filings

Description: A video to aid understanding of the differences between atoms, mixtures and compounds
Tags: atoms | mixtures | compounds | Contributed by Alice Williamson

Welcome to the elements

Description: A close look at chemical elements, the basic building blocks of the universe. Where do we get them, what do we use them for and how do they fit into the economy?
Tags: atoms | periodic table | Contributed by Adam Bridgeman

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