This bundle is ideal for classroom or home learning and covers the history of the periodic table, the features of the modern periodic table and periodicity, the periodicity of ionisation energies and melting points and the properties of group 2 elements and compounds. It includes all of the OCR A level chemistry specification sections 3.1.1 and 3.1.2.
Each topic includes a fully interactive PowerPoint including starter, group activities, questions and plenary along with a worksheet. Answers to all exercises are provided. Some of the resources include a PowerPoint quiz.

This bundle is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 3 – The Periodic table and energy
Part 1 –The Periodic Table
3.1.1 Periodicity and 3.1.2 Group 2

Content covered:
Periodic table past and present
• The history of the periodic table, including Newlands’ and Mendeleev’s contributions
• The structure of the modern periodic table – periods, groups and blocks
• Relationship between electron configuration and the periodic table
• Periodicity – the variation in properties when plotted against atomic number
• Periodicity and metallic character
• Metal and non-metals

**Periodicity of ionisation energies and melting points **
• First ionisation energy – definition
• Factors affecting ionisation energies: nuclear charge, atomic radius and shielding
• Explanation of shielding
• Successive ionisation energies
• Predicting group from successive ionisation energies
• Periodicity of first ionisation energies
• Trends across a period and down a group
• Explanations of small decreases from group 2 to group 3 and from group 5 to group 6
• Periodicity of structure of elements: giant metallic, giant covalent and simple molecular structures
• Periodicity of melting points and explanation in terms of structure.

Group 2
• Structure and physical properties of group 2 elements
• Electron configuration and formation of ions
• First ionisation enthalpy and reactivity
• Redox reactions of group 2 metals with oxygen, water and acids
• Properties of group 2 compounds
• Group 2 oxides and hydroxides – reactions with acids
• Group 2 oxides – reaction with water
• Solubility and alkalinity of group 2 hydroxides
• Reactions of group 2 carbonates with acid
• Uses of group 2 compounds

Links
Next lesson: Topic 24 – group 7
https://www.tes.com/teaching-resource/the-halogens-ocr-as-chemistry-13125529

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