This is a concise lesson that looks at Dmitri Mendeleev’s periodic table, the changes and tweaks that he made and compares it against the modern day version of the table. The aim of the lesson is to show students how accurate Mendeleev was with his table, even with those elements that had not yet been discovered. They will work through some examples with eka-silicon and eka-manganese and also compare eka-aluminium’s predictions against those of gallium. Links are made to the development of the atom so students can understand how the atomic number was used by Mendeleev and how it is used now.
Students are set homework to look at the developments that were made by other scientists as homework and this is not covered in this lesson.
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Topic C1.2: The Periodic Table (AQA Trilogy GCSE Combined Science)
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This bundle of 7 lessons is ideal for students who are learning about the Periodic Table as part of KS3 or for their GCSE studies. The lessons include details of how the early Periodic Table was formed by Dmitri Mendeleev and how electron configurations relate to the position of elements in the Table and there are detailed lessons about the properties of group 1, 7 and 0 and the transition metals.
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Topic C9: The Periodic Table (Cambridge iGCSE Science Double Award)
This bundle of 6 lessons covers all of the content in Topic C9 (The Periodic Table) of the core and supplement sections of the Cambridge iGCSE Science Double Award specification. The topics and specification points covered within these lessons include: * The Periodic Table as a method of classifying elements and its use to predict properties * Describe the relationship between group number and outer shell electrons * Describe and predict the properties of the Group 1 elements * Describe the properties and reactions of the Group 7 elements * The transition elements * The noble gases All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding
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