A complete lesson including starter activity, mini Afl tasks and main work task with answers for KS5 lesson on Relative masses . Suitable for the Edexcel Specification.
By the end of the lesson students should be able to:
- To define the terms relative atomic mass and relative isotopic mass
- . To understand the terms relative formula mass and relative molecular mass of compounds and molecules
- To calculate the relative formula mass and relative molecular mass of compounds and molecules using relative atomic mass
The teacher will be able to quickly assess students’ understanding of the relative mass terms by carrying out mini afl tasks either on mini white boards or in their books
The lesson ends with practice exam style questions for students to complete
Declaimer: Please refrain from purchasing this popular resource for an interview lesson or a formal observation. This is because planning your own lessons, including using your own lesson PowerPoints, is a fundamental skill of a qualified/unqualified teacher that will be assessed during the scenarios outlined above
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Foundations in AS Chemistry
AS Chemistry Bundle on Foundations in Chemistry. Suitable for AQA, OCR and Edexcel The lessons include: Lesson 1: Relative Masses 1) Define the terms relative atomic mass, relative formula mass and relative molecular mass 2) Calculate the relative formula mass and relative molecular mass of compounds and molecules Lesson 1: Relative Masses (For Edexcel) 1)To define the terms relative atomic mass and relative isotopic mass 2) To understand the terms relative formula mass and relative molecular mass of compounds and molecules 3) To calculate the relative formula mass and relative molecular mass of compounds and molecules using relative atomic mass Lesson 2: Ions and the Periodic Table 1) To predict the ionic charge of ions based on the position of the element in the periodic table 2) To recall the names of common atomic and molecular ions 3) To be able write the formula of ionic compounds Lesson 3: The Mole and The Avogadro Constant 1) Know that the Avogadro constant is the number of particles in a mole 2) Calculate the number of moles present in a given mass of an element or compound using the mole equation 3) Rearrange the mole equation to calculate either the number of moles, Mr or mass of an element or compound Lesson 4: Moles and Equations 1) Know how to balance symbol equations 2) Calculate the moles of reactants or products based on chemical equations and mole ratios 3) Calculate the masses of reactants used or products formed based on chemical equations and mole ratios Lesson 5: Ideal Gas Equation 1) Recall the ideal gas equation 2)Understand the properties of an ideal gas 3) Rearrange the ideal gas equation to determine either pressure, temperature, moles or volume Lesson 6: Empirical and Molecular Formulae 1) Understand what is meant by ‘empirical formula’ and ‘molecular formula’ 2) Calculate empirical formula from data giving composition by mass or percentage by mass 3) Calculate molecular formula from the empirical formula and relative molecular mass. Lesson 7: Percentage Yield and Atom Economy 1) Know how to balance symbol equations 2) Calculate atom economy and percentage yield from balanced symbol equations 3) Calculate the masses and moles of products or reactants from balanced symbol equations ***Declaimer: Please refrain from purchasing this popular resource for an interview lesson or a formal observation. This is because planning your own lessons, including using your own lesson PowerPoints, is a fundamental skill of a qualified/unqualified teacher that will be assessed during the scenarios outlined above***
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Atomic Structure & The Periodic Table (Edexcel)
8 Full Lesson Bundle on Atomic Structure and The Periodic Table from the Edexcel AS Level Chemistry Specification. Please review the learning objectives below. **Lesson 1: Atomic Structure & Isotopes** 1. To describe the atomic structure of an atom 2. To describe atomic structure in terms of protons, neutrons and electrons for atoms and ions, given the atomic number, mass number and any ionic charge 3. To define the term isotopes and to identify the atomic structure of isotopes in terms of protons, neutrons and electrons **Lesson 2: Relative Masses** 1. To define the terms relative atomic mass and relative isotopic mass 2. To understand the terms relative formula mass and relative molecular mass of compounds and molecules 3. To calculate the relative formula mass and relative molecular mass of compounds and molecules using relative atomic mass **Lesson 3: Interpreting Mass Spectra** 1. To determine the relative atomic masses and relative abundances of isotopes of an element using mass spectroscopy 2. To calculate the relative atomic mass of an element from mass spectra data 3. To predict the mass spectra, including relative peak heights, for diatomic molecules **Lesson 4: Atomic Orbitals (Electronic Configuration)** 1. To know that atomic orbitals are a region around the nucleus that occupy electrons 2. To illustrate the shape of s, p and d orbitals 3. To describe the number of orbitals that make up the s, p and d sub shells and the number of electrons that fill the sub shells 4. To deduce the electronic configuration of atoms and ions in the s and p-block **Lesson 5: Structure of The Periodic Table** 1. To know how the periodic table is arranged 2. To describe the periodic trend in electron configurations across periods 2 and 3 3. To classify elements into s, p and d blocks **Lesson 6: Successive Ionisation Energies (Ionisation Energy (Part 1))** 1. To define the term ‘first ionisation energy’ and successive ionisation energies 2. To describe the factors affecting ionisation energy 3. To explain the trend in successive ionisation energies of an element **Lesson 7: Trends in Ionisation Energies (Ionisation Energy (Part 2))** 1. To explain the trend in first ionisation energies down a group 2. To explain the trend in first ionisation energies across period 2 3. To explain the trend in first ionisation energies across period 3 **Lesson 8: Periodicity: Melting Points** 1. To describe the trend in structure from giant metallic to giant covalent to simple molecular lattice 2. To explain the variation in melting points across period 2 & 3 in terms of structure and bonding
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