4.5 Building blocks for understanding 4.5.1 The periodic table Spec ref. Summary of the Learning outcomes Suggested Opportunities to develop Opportunities to apply Self/peer assessment specification content timing scientific communication skills practical and enquiry Opportunities and What most candidates should (hours) skills resources be able to do Reference to past questions that indicate success 4.5.1.1 The elements in the Explain how the position of 1 Identify link between electron Video clip: BBC periodic table are an element in the periodic configuration and the structure Bitesize Groups – arranged in order of table is related to the of the periodic for and periods in the atomic (proton) arrangement of electrons in elements 1 to 20. Identify periodic table number and so that its atoms and hence to its anomalies. YouTube: elements with similar atomic number. Discussion questions: properties are in Predict possible reactions Why isn't the periodic table columns, known as Teachit Science and probable reactivity of a regular rectangular groups. The table is elements from their positions shape? resource (19411) called a periodic table in the periodic table. In what ways are elements because similar ‘Electron configuration’ Show how scientific methods like letters of the alphabet? properties occur at and theories have changed regular intervals. YouTube: WS 1.2 over time. Electrons occupy Represent the electronic to 4.1.2 Atomic particular energy structure of the first 20 structure. levels. Each electron elements of the periodic table in an atom is at a in the following forms: particular energy level (in a particular shell). The electrons in an or sodium 2,8,1 atom occupy the (interactive) WS 1.2 lowest available energy levels University of Predict possible reactions and Nottingham – probable reactivity of elements
4.5 Building blocks for understanding 4.5.1 The periodic table Spec ref. Summary of the specification content Learning outcomes What most candidates should be able to do Suggested timing (hours) Opportunities to develop scientific communication skills Opportunities to apply practical and enquiry skills Self/peer assessment Opportunities and resources Reference to past questions that indicate success 4.5.1.1 The elements in the periodic table are arranged in order of atomic (proton) number and so that elements with similar properties are in columns, known as groups. The table is called a periodic table because similar properties occur at regular intervals. Electrons occupy particular energy levels. Each electron in an atom is at a particular energy level (in a particular shell). The electrons in an atom occupy the lowest available energy levels Explain how the position of an element in the periodic table is related to the arrangement of electrons in its atoms and hence to its atomic number. Predict possible reactions and probable reactivity of elements from their positions in the periodic table. Show how scientific methods and theories have changed over time. to 4.1.2 Atomic structure. 1 Identify link between electron configuration and the structure of the periodic for elements 1 to 20. Identify anomalies. Discussion questions: Why isn't the periodic table a regular rectangular shape? In what ways are elements like letters of the alphabet? WS 1.2 Represent the electronic structure of the first 20 elements of the periodic table in the following forms: sodium 2,8,1 WS 1.2 Predict possible reactions and probable reactivity of elements Video clip: BBC Bitesize – Groups and periods in the periodic table YouTube: Teachit Science resource (19411) ‘Electron configuration’ YouTube: or (interactive) University of Nottingham –
AQA-8465-SOW-BUND.DOCX