What does the atomic number of an element represent?

How is the mass number of an atom calculated?

An atom of Sodium has an atomic number of 11 and a mass number of 23. How many neutrons does it have?

In a neutral atom of Carbon-12, how many electrons are present?

An isotope of Oxygen has 8 protons and 10 neutrons. What is its mass number?

Which particle count changes when an atom becomes a positive ion?

A Magnesium ion (Mg2+) has an atomic number of 12 and a mass number of 24. How many electrons does it have?

Fluorine has an atomic number of 9 and a mass number of 19. Identify the number of protons, neutrons, and electrons in a neutral atom.

How many neutrons are in an atom of Chlorine-37 (Atomic number 17)?

A Chloride ion (Cl-) has an atomic number of 17 and a mass number of 35. What is the correct electron count?

Calculate the number of protons, neutrons, and electrons for different elements using atomic and mass numbers.

English (UK)

United Kingdom

Combined Science

Atomic Mass and Number Calculations

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 :)

Explore comprehensive A-Level Sociology notes on the education system, covering key theories, policies, and sociological perspectives. This resource includes insights on marketisation, gender roles, cultural deprivation, and educational inequalities, providing a thorough understanding of how education shapes social stratification and individual achievement. Ideal for exam preparation and in-depth study.

Sociology of Education Overview

Sociology

Education- full topic revision 

Saffron

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 

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

Criminology

WJEC Criminology Unit 4 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

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

Explore in-depth analysis and key quotes for characters in J.B. Priestley's 'An Inspector Calls'. This resource covers Gerald Croft, Inspector Goole, Sheila Birling, Mrs. Birling, Eric Birling, and Eva Smith, focusing on themes of class, gender roles, and social responsibility. Ideal for students aiming for Grade 8 and above.

An Inspector Calls: Character Insights

English Literature

An Inspector Calls Characters

Liv_767

Criminology unit 4 detailed revision note

WJEC Unit 4 Criminology 

Crystabel Owusu

Biology

Cell Biology and Cell structure 

Rifaa 😇💓

Explore key criminology theories and their implications on crime and deviance. This comprehensive summary covers biological, psychological, and sociological perspectives, including labelling theory, right realism, and the impact of social campaigns on policy development. Ideal for A-Level criminology students seeking to understand the complexities of criminal behaviour and the factors influencing crime prevention strategies.

Criminology Theories Overview

Unit 2 Criminology Coverall

Bailie Burnett

Key Romeo and Juliet themes and analysed quotes 

Romeo and Juliet: Key themes 

Alicia

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

Macbeth mind maps

ruru

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

Biology (all topics)

B€LA〄

Flashcards on the different functions of subcellular structures: cell membrane, nucleus, mitochondria, ribosomes, cytoplasm, permant vacuole, chloroplasts and cell wall.

flashcards on the different functions of subcellular structures: cell membrane, nucleus, mitochondria, ribosomes, cytoplasm, permant vacuole, chloroplasts and cell wall.

Quiz

English

the functions of subcellular structures - b1 biology 

DEFAULT

The functions of subcellular structures - B1 Biology 

Libby

Notes for Biology paper 1 contains the full course for AQA higher combined!

Biology paper 1 Summary

- revision help -

Explore key concepts in Forces and Motion, including Hooke's Law, velocity, acceleration, and the principles of moments. This summary covers essential topics such as the relationship between force and extension, terminal velocity, and the impact of safety devices in physics. Ideal for AQA Physics Unit 5 revision.

Forces and Motion Overview

Physics

Physics (all topics)

Compare animal and plant cells with bacterial cells, focusing on size differences, organelle presence, and genetic material storage.

Comparing Eukaryotic and Prokaryotic Structures

all the required practicals for the aww gcse spec 

Explore essential GCSE Biology practicals covering key concepts such as photosynthesis, enzyme activity, microbial growth, and experimental design. This comprehensive guide includes step-by-step procedures, potential errors, and calculations for each practical, ensuring a solid understanding of biological processes and laboratory techniques.

Atomic Mass and Number Calculations

Tanulókártyák

Atomic Mass and Number Calculations

Tanulókártyák