Scientists tried to classify the elements long before the structure of the atom was known.
Give the property that was used to put the elements in order in early periodic tables.
Give the property that is used to put the elements in order in the modern periodic table.
Mendeleev was able to predict the properties of an element that had not yet been discovered. Explain how his table allowed him to do this.
Give one reason why the modern periodic table is called a periodic table.
40 exam-style questions on AQA GCSE Chemistry 1.2 The periodic table, covering 1.2.1 The periodic table, 1.2.2 Development of the periodic table, 1.2.3 Metals and non-metals, 1.2.4 Group 0, 1.2.5 Group 1, and 1.2.6 Group 7. Each one has a worked solution and a mark scheme showing where the marks go.