Periodic Table and Electron Shell Configuration
Periodic Table and Electron Shell Configuration Author: Simona Maggini School: High School Year/Class: Second Subject: Chemistry CLIL language: English Student group profile: A2/B1 Estimated Time: 2 hours (minimum) Topic of the lesson: Periodic Table and Electron Shell Configuration This is the first lesson of the Unit “The Periodic Table”. The purpose of the lesson is to introduce the Periodic Table and explain how useful classification is as a tool, specifically how the position of an element in the Periodic Table is linked to the electronic configuration of an atom of that element and so the properties of the element. Future lessons in the Atomic Rays and Ionization Energy: Trends Among Group and Period; Unit “The Periodic Metals, Metalloids and Nonmetals. Table”: Previous lesson: Atoms and Subatomic Particles; Bohr Model. Subject Language States of matter, melting and Basic vocabulary referring to boiling points of a substance, the physical states of matter: difference between elements solid, liquid, gas. and compounds, chemical Basic vocabulary referring to formulas, difference between the structure of an atom: physical and chemical nucleus, proton, electron, properties. neutron, atomic mass, mass Atoms, protons, electrons, and atomic number, orbit, neutrons, atomic and mass shell, energy, valence electron, Prerequisites: numbers, atomic mass. electronic configuration. The Bohr model and orbits of Ability to ask and answer electrons. Energy levels. questions, read and write Electron configurations, outer numbers and listen and read shells and valence electrons. for key words. Lewis structures. Ability to share ideas: compare, explain, define, describe, summarize and predict using conditional tenses. Ability to report back to the class.
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