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