English (UK)

revision page on atoms and atomic structure 

Explore the fundamental concepts of atomic structure, including the composition of atoms, the role of protons, neutrons, and electrons, and the significance of atomic size. This summary provides a clear understanding of how atoms are structured and their properties, ideal for chemistry students preparing for exams.

Atomic Structure Overview

Chemistry

Atoms 

United Kingdom

Georgie Shrimpton

Atomic Radius

Explore the principles of electron configuration, including the Aufbau principle, Pauli exclusion principle, and Hund's rule. This summary covers the arrangement of electrons in atomic orbitals, subshell energy levels, and exceptions in electron configurations for elements like chromium and copper. Ideal for A Level Chemistry students seeking clarity on these fundamental concepts.

Understanding Electron Configuration

Electron Configuration 

anna🦋🧬📓🔬

Aufbau Principle

Timeline of the different atomic models & dates specific milestones that may come up in the exam.

Explore the key milestones in the development of atomic models, including Dalton's Billard Ball Model, Thomson's Plum Pudding Model, Rutherford's Nuclear Model, and Bohr's Electron Shell Model. This summary highlights essential concepts and dates relevant for GCSE AQA Chemistry exams.

Evolution of Atomic Models

Combined Science

GCSE AQA chemistry Atomic model timeline

H 🥲

About the history of the discovery of the atom

Explore the evolution of atomic theory from ancient Greece to modern discoveries. This summary covers key milestones, including Dalton's model, Thomson's electron discovery, Rutherford's solar system model, Bohr's electron shells, and Chadwick's neutron. Ideal for students studying atomic structure and history.

Atomic Discovery Timeline

History of the atom

Mayesha ☆

Español

Química

Models Atòmics

Saad Hayyat Parveen

Explore the key milestones in the evolution of atomic theory, from Democritus's indivisible atoms to Bohr's electron shell model. This summary covers the contributions of Dalton, Thompson, Rutherford, and Bohr, detailing the progression of ideas about atomic structure and the nature of matter. Ideal for students studying chemistry and physics.

Evolution of Atomic Theory

Note

English

the history of the atom 

AP Chemistry

The history of the atom 

Daisy

Scientists and their models and roles in development of the model of the atom.

Explore the historical progression of atomic models from Democritus to Chadwick. This summary covers key theories including the solid sphere model, plum pudding model, Rutherford's nuclear model, and Bohr's energy levels, highlighting the contributions of prominent scientists in atomic theory.

scientists and their models and roles in development of the model of the atom.

the development of the model of the atom 

The Development of the Model of The Atom 

hiiii

Bohr Model

First part of Chapter 22 in Module 5 OCR A A-Level Chemistry

If you have any issues with the PDF or notice any mistakes don't hesitate to contact me :)

Explore the concept of lattice enthalpy in this detailed summary, covering key topics such as ionization energy, electron affinity, and the Born-Haber cycle. Understand the enthalpy changes associated with ionic compounds and their formation from gaseous ions. Ideal for A-Level Chemistry students preparing for exams.

Lattice Enthalpy Explained

22.1 - Lattice Enthalpy 

sheila

Electron Affinity

History of how the Periodic Table was made.

Explore the historical development of the Periodic Table, focusing on key contributions from scientists like Johann Döbreiner, John Newlands, and Dmitri Mendeleev. This summary highlights the Law of Triads and the Law of Octaves, illustrating how early chemists organized elements based on their atomic masses and properties. Ideal for students studying chemistry and the history of science.

Periodic Table Evolution

History of the Periodic Table 

P-block elements, inert pair effect, octet expansion

Explore the key concepts of P-block elements in A-level Chemistry, including oxidation states, the inert pair effect, and octet expansion. This summary covers essential topics such as chemical bonding, covalent bonds, and electron deficiency, providing a comprehensive understanding for students preparing for exams.

P-Block Elements Overview

P-block elements - Alevel Chemistry Unit 3 WJEC

Nikita 

Octet Rule

Explore the structure and types of atomic orbitals, including the principles of quantum numbers and electron configuration. This summary covers the Pauli Exclusion Principle, the shapes of s, p, d, and f orbitals, and their maximum electron capacities. Ideal for students studying electronic structure in chemistry.

Understanding Atomic Orbitals

atomic orbitals - handwritten

Atomic Orbitals - handwritten

Orbital

Explore the structure of electron shells, subshells, and orbitals in this detailed summary. Learn about the principal quantum number, the types of orbitals (s, p, d, f), their shapes, and electron capacities. This resource also covers key principles like the Pauli Exclusion Principle and Hund's Rule, providing a comprehensive overview for mastering electron configurations.

Understanding Electron Shells

Electrons and Orbitals

el <3

Quantum Numbers

Fundamental principles and properties governing electron arrangement and behavior within atomic structure.

Atomic Electron Behavior

Explore the concepts of electronegativity and various types of chemical bonding, including ionic and covalent bonds. This summary covers key trends in electronegativity, the Pauling scale, and the characteristics of polar and non-polar molecules. Ideal for students studying chemistry fundamentals.

Electronegativity & Bonding

Chemistry Unit 1.4 

ethan 

A summary on periodicity, group 1 and 2 reactions with water, oxygen and acid as well as their solubility, flame tests, halogens and displacement reactions.

WJEC AS-level Chemsitry Unit 1 Topic 6 the periodic table 

Megan

Notes on electronegativity including symmetry of a molecule and an example question.

Explore the concepts of polar and non-polar molecules, including the role of electronegativity and molecular symmetry. This summary covers key definitions, examples like water, and the significance of bond types based on electronegativity differences. Ideal for students preparing for chemistry exams.

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