‹ Science Essentials
Atomic structure and the periodic table
Atoms, formulae and equations, separating mixtures, the model of the atom, isotopes, electrons in shells and the groups of the periodic table.
Start: Atoms, elements, compounds and equations About 9 min
Lessons
Practice and tests
By the end you can
Write and balance symbol equations Choose a separation method and use Rf values Explain how the model of the atom developed Calculate relative atomic mass and write electronic structures Explain the trends in Groups 0, 1 and 7 Compare transition metals with Group 1 and explain their ions, colours and catalysts Helps with: GCSE (AQA, Edexcel, OCR)
Next unit: Bonding, structure and the properties of matter Previous unit: Required practicals and maths skills
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