The atomic number of an atom is the number of protons in its nucleus.

An isotope is a variant of an element which has a different number of neutrons. An example is: Deuterium.

Define an isotope and provide an example.

An element is a pure substance made up of only one type of atom, while a compound is a substance composed of two or more different elements chemically bonded together.

What is the difference between an element and a compound?

The nucleus of an atom contains protons and neutrons. Protons are positively charged, while neutrons have no charge.

Describe the structure and arrangement of particles in the nucleus of an atom.

Atomic mass is the mass of an atom, while relative atomic mass is the average mass of an element’s isotopes, taking into account their abundance.

Define the terms “atomic mass” and “relative atomic mass.”

What is the relative mass of the electron?

An ion is an atom or group of atoms that has lost or gained electrons.

English (UK)

Quiz

United Kingdom

Dhyan Patel

DEFAULT (England)

Chemistry

GCSE AQA Chemistry Topic 1- The Atom

A-Level Sociology: Education. So these notes have all the sociologists studies that are also part of methods in context, I just haven't covered research methods here :)

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Sociology of Education Overview

Revision note

Saffron

Sociology

Education- full topic revision 

Quotes + Analysis for characters in An Inspector Calls (Grade 8+)

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An Inspector Calls: Character Insights

Mind map

Liv_767

English Literature

An Inspector Calls Characters

Everything you need to revise families for paper 2 :)

Dive into an extensive overview of family dynamics, perspectives, and patterns in sociology. This resource covers key concepts such as family diversity, gender roles, marriage, and the impact of social policies on family structures. Perfect for A-Level Sociology students preparing for Paper 2.

Sociology of Families: Comprehensive Revision

A-Level Sociology: Families and Households Full Topic Revision 

Revision maps for all 9 crime and deviance topics
I want to say thank you to everyone who's been so patient while i finished these notes- I got so many message asking if i had full topic notes for this unit so I'm glad to hear my work is helping people :)

Explore an extensive revision of crime and deviance topics, including theories, types of crime, and the impact of media. This resource covers key concepts such as Marxism, functionalism, gender and crime, and the influence of globalization on criminal behavior. Ideal for students seeking a thorough understanding of criminology and its various theories. Type: Full Topic Revision.

Comprehensive Crime & Deviance Overview

Crime & Deviance: full topic revision

Criminology unit 4 detailed revision note

Crystabel Owusu

Criminology

WJEC Unit 4 Criminology 

soph🐈‍⬛¿

Biology

Combined Science

aqa higher tier combined science -  biology b1 : cell biology, paper 1

Mindmaps for the crime and punishment topic. Remember, the exam for this is like a normal alevel so you'll need to remember as much as you can rather than take a folder in!

Comprehensive mindmaps covering key concepts in the Crime and Punishment topic for WJEC Criminology Unit 4. This resource includes detailed insights into the Criminal Justice System, crime prevention strategies, sentencing models, and the roles of various agencies. Ideal for A-Level revision, ensuring you grasp essential theories and legislative processes to excel in your exams.

Criminology: Crime & Punishment Overview

WJEC Criminology Unit 4 Full Topic Revision 

Explore essential AQA Biology topics including Photosynthesis, Respiration, Homeostasis, Genetics, and Ecology. This comprehensive knowledge organizer covers key concepts such as energy transfer, hormonal control, and genetic variation, providing a solid foundation for your studies. Ideal for exam preparation and understanding biological processes.

AQA Biology: Key Concepts

B€LA〄

Biology (all topics)

macbeth, lady macbeth and macbeth themes and context

Explore the complex themes of guilt and ambition in Shakespeare's 'Macbeth'. This analysis covers key characters, including Macbeth and Lady Macbeth, their moral dilemmas, and the tragic consequences of their ambition. Ideal for students studying character motivations, thematic elements, and the psychological impact of power. Includes insights on the natural order, manipulation, and the descent into madness.

Macbeth: Guilt and Ambition

ruru

Macbeth mind maps

Key Romeo and Juliet themes and analysed quotes 

alicia

Romeo and Juliet: Key themes 

GCSE AQA Chemistry Topic 1

AQA GCSE Combined Chemistry * detailed summary 

Summary

Matilda Gant

GCSE Chemistry Revision Notes

Everything from snaprevise for OCR chemistry a-level

A-level OCR A Chemistry summary sheets

Explore key AQA GCSE Chemistry practicals, including flame tests, titration, and gas identification. This resource covers essential techniques for analyzing ions, making salts, and understanding reaction kinetics. Perfect for students preparing for exams and practical assessments.

Essential Chemistry Practicals

Lorena

Chemistry Required Practical  

Ruth Okungbowa

AQA GCSE Chemistry 4.2 Bonding, structure and the Properties of Matter

Grace Daniels

chem paper 1

Explore the fundamentals of redox reactions, including oxidation states, definitions of oxidation and reduction, and the roles of oxidizing and reducing agents. This summary covers key rules for determining oxidation states, the concept of disproportionation, and practical applications in chemical equations. Ideal for A-Level Chemistry students preparing for exams.

Redox Reactions Overview

A* on the way

Aqa a level chemistry 

All GCSE chemistry topics for revision with key points and terms.

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GCSE AQA Chemistry Topic 1- The Atom

Flashcards

GCSE AQA Chemistry Topic 1- The Atom

Flashcards