Chemistry149 views·Updated 12 Sept 2026·1 pageChemistry Unit 1: The Periodic table of the Elements in Chemistry
The guide describes the key differences between Dmitri Mendeleev's table and the Modern one used today, the Group 0,1,7 and Transition metals.
We thought you’d never ask...
Similar content
Most popular content: Periodic Trends
9ChemistryBTEC Applied Science Unit 1 Overview
Comprehensive resource for Year 12 students pursuing a Level 3 Diploma in Applied Science. This booklet covers essential topics including cell structure, chemical properties, and wave theory, providing clear explanations and key concepts to aid in your studies and exam preparation.
BiologyBTEC APPLIED SCIENCE UNIT 1 EXAM TOPICS EXPLAINED
Info on all topics
ChemistryPeriodic Table Trends
Explore key trends in the periodic table, focusing on atomic radius, ionization energy, and melting points. This summary highlights how these properties change across periods and groups, including the impact of atomic structure and intermolecular forces. Ideal for A-level chemistry students seeking to understand periodic trends.
ChemistryPeriodicity in Chemistry
Explore the key concepts of periodicity in chemistry, including trends in ionization energy, electron configuration, and the properties of metals, non-metals, and giant covalent structures. This comprehensive summary covers essential topics such as the structure of the periodic table, the significance of Mendeleev's contributions, and the characteristics of materials like graphene and silicon. Ideal for A-Level students preparing for exams.
ChemistryPeriodicity in Chemistry
Explore the key concepts of periodicity in chemistry, including ionization energy, electronegativity, atomic radius, and covalent bonding. This summary covers the periodic trends across groups and periods, detailing the properties of covalent network solids and their structures. Ideal for SQA Higher Chemistry students seeking a comprehensive understanding of the periodic table and its implications.
ChemistryHalogens: Reactivity & Trends
Explore the properties, reactivity trends, and bonding characteristics of Group 7 elements (halogens). This summary covers the increasing atomic size, the nature of covalent and ionic bonds, and displacement reactions among halogens. Ideal for students studying chemical bonding and periodic trends.
ChemistryAlkali Metals Overview
Explore the properties, reactivity trends, and reactions of alkali metals in Group 1 of the periodic table. This summary covers key characteristics such as low melting points, density, and the unique reactions of lithium, sodium, and potassium with water, including the formation of metal hydroxides and hydrogen gas.
ChemistryPeriodic Trends in Groups 2 & 7
Explore key concepts in A-level chemistry with this comprehensive overview of periodic trends, focusing on Group 2 (alkaline earth metals) and Group 7 (halogens). Understand redox reactions, ionization energy, atomic radius, and the reactivity of elements. Ideal for revision and exam preparation.
ChemistryPeriodic Table Insights
Explore the modern periodic table, including the arrangement of elements by atomic number, trends in reactivity, and the properties of groups such as alkali metals and halogens. This summary covers key concepts like periodic trends, group characteristics, and the historical development of the periodic table, making it essential for chemistry students.
Most popular content in Chemistry
9ChemistryChemisty Paper 1 Summary
Everything you need to know condensed into three pages
ChemistryA-level OCR A Chemistry summary sheets
Everything from snaprevise for OCR chemistry a-level
Chemistrychem paper 1
higher
ChemistryRedox Reactions Overview
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.
ChemistryBTEC Applied Science Unit 1 Overview
Comprehensive resource for Year 12 students pursuing a Level 3 Diploma in Applied Science. This booklet covers essential topics including cell structure, chemical properties, and wave theory, providing clear explanations and key concepts to aid in your studies and exam preparation.
ChemistryAlevel Chemistry
Alevel Chemistry AQA
ChemistryIGCSE Chemistry Concepts
Explore essential IGCSE Chemistry concepts including states of matter, chemical bonding, acid-base reactions, and separation methods. This comprehensive summary covers key topics such as ionic and covalent bonds, solubility rules, and the periodic table, tailored for Edexcel IGCSE Double Award students. Perfect for exam preparation and understanding fundamental chemistry principles.
BiologyComprehensive GCSE Science Overview
Explore a detailed compilation of key concepts across Biology, Chemistry, and Physics for the GCSE curriculum. This resource covers essential topics, including atomic structure, ecosystems, chemical reactions, and more, providing students with a thorough understanding to excel in their studies. Ideal for revision and exam preparation.
ChemistryOCR A-Level Chemistry Vocabulary
Explore an extensive collection of key terms and concepts for OCR A-Level Chemistry, organized by topic and sub-topic. This resource is designed to enhance your understanding and application of advanced vocabulary in exams, covering essential areas such as atomic structure, organic chemistry, and reaction mechanisms.
Most popular content
9
SociologySociology of Families: Comprehensive Revision
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.
SociologySociology of Education Overview
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.
BiologyAQA Biology: Key Concepts
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.
BiologyA-Level Biology Year 1 Overview
Comprehensive summary of AQA A-Level Biology Year 1, covering key topics such as cellular structure, protein synthesis, immune response, gas exchange, and more. Ideal for exam preparation and understanding biological concepts. Includes detailed insights into cellular processes, biological classification, and the circulatory system.
MathsComprehensive Maths Concepts
Explore essential mathematical concepts including powers, geometry, statistics, and probability. This resource features 65 pages of detailed explanations, diagrams, and examples to enhance your understanding of topics such as right triangles, volume calculations, and data representation. Ideal for students seeking to strengthen their numeracy skills and grasp complex mathematical principles.
SociologyComprehensive Crime & Deviance Overview
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.
CriminologyCriminal Justice Overview
Explore key concepts in criminal justice, including the trial process, roles of court personnel, types of offenses, and evidence handling. This comprehensive summary covers essential topics such as jury strengths and weaknesses, the role of the CPS, and the impact of media on trials. Ideal for students preparing for assessments in criminology. Achieved a B grade.
CriminologyCriminal Justice Evidence Rules
Explore the essential rules governing the use of evidence in criminal cases, including reliability, admissibility, and relevance. This summary covers key concepts such as the roles of personnel in investigations, the impact of witness testimonies, and the implications of plea bargaining. Ideal for Year 13 criminology students preparing for assessments.
SociologySociological Theories Overview
Comprehensive revision of key sociological theories including Functionalism, Marxism, Feminism, and Interpretivism. Explore concepts like value freedom, identity formation, and the critique of social control. Ideal for AQA A-Level Sociology students preparing for exams. This summary covers essential theories and their implications in sociology, providing a clear understanding of each perspective.
Students love us, and so will you.
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Chemistry149 views·Updated 12 Sept 2026·1 pageChemistry Unit 1: The Periodic table of the Elements in Chemistry
The guide describes the key differences between Dmitri Mendeleev's table and the Modern one used today, the Group 0,1,7 and Transition metals.
Sign up to see the content. It's free!
- Access to all documents
- Improve your grades
- Join milions of students
By signing up you accept Terms of Service and Privacy Policy
We thought you’d never ask...
Similar content
Most popular content: Periodic Trends
9ChemistryBTEC Applied Science Unit 1 Overview
Comprehensive resource for Year 12 students pursuing a Level 3 Diploma in Applied Science. This booklet covers essential topics including cell structure, chemical properties, and wave theory, providing clear explanations and key concepts to aid in your studies and exam preparation.
BiologyBTEC APPLIED SCIENCE UNIT 1 EXAM TOPICS EXPLAINED
Info on all topics
ChemistryPeriodic Table Trends
Explore key trends in the periodic table, focusing on atomic radius, ionization energy, and melting points. This summary highlights how these properties change across periods and groups, including the impact of atomic structure and intermolecular forces. Ideal for A-level chemistry students seeking to understand periodic trends.
ChemistryPeriodicity in Chemistry
Explore the key concepts of periodicity in chemistry, including trends in ionization energy, electron configuration, and the properties of metals, non-metals, and giant covalent structures. This comprehensive summary covers essential topics such as the structure of the periodic table, the significance of Mendeleev's contributions, and the characteristics of materials like graphene and silicon. Ideal for A-Level students preparing for exams.
ChemistryPeriodicity in Chemistry
Explore the key concepts of periodicity in chemistry, including ionization energy, electronegativity, atomic radius, and covalent bonding. This summary covers the periodic trends across groups and periods, detailing the properties of covalent network solids and their structures. Ideal for SQA Higher Chemistry students seeking a comprehensive understanding of the periodic table and its implications.
ChemistryHalogens: Reactivity & Trends
Explore the properties, reactivity trends, and bonding characteristics of Group 7 elements (halogens). This summary covers the increasing atomic size, the nature of covalent and ionic bonds, and displacement reactions among halogens. Ideal for students studying chemical bonding and periodic trends.
ChemistryAlkali Metals Overview
Explore the properties, reactivity trends, and reactions of alkali metals in Group 1 of the periodic table. This summary covers key characteristics such as low melting points, density, and the unique reactions of lithium, sodium, and potassium with water, including the formation of metal hydroxides and hydrogen gas.
ChemistryPeriodic Trends in Groups 2 & 7
Explore key concepts in A-level chemistry with this comprehensive overview of periodic trends, focusing on Group 2 (alkaline earth metals) and Group 7 (halogens). Understand redox reactions, ionization energy, atomic radius, and the reactivity of elements. Ideal for revision and exam preparation.
ChemistryPeriodic Table Insights
Explore the modern periodic table, including the arrangement of elements by atomic number, trends in reactivity, and the properties of groups such as alkali metals and halogens. This summary covers key concepts like periodic trends, group characteristics, and the historical development of the periodic table, making it essential for chemistry students.
Most popular content in Chemistry
9ChemistryChemisty Paper 1 Summary
Everything you need to know condensed into three pages
ChemistryA-level OCR A Chemistry summary sheets
Everything from snaprevise for OCR chemistry a-level
Chemistrychem paper 1
higher
ChemistryRedox Reactions Overview
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.
ChemistryBTEC Applied Science Unit 1 Overview
Comprehensive resource for Year 12 students pursuing a Level 3 Diploma in Applied Science. This booklet covers essential topics including cell structure, chemical properties, and wave theory, providing clear explanations and key concepts to aid in your studies and exam preparation.
ChemistryAlevel Chemistry
Alevel Chemistry AQA
ChemistryIGCSE Chemistry Concepts
Explore essential IGCSE Chemistry concepts including states of matter, chemical bonding, acid-base reactions, and separation methods. This comprehensive summary covers key topics such as ionic and covalent bonds, solubility rules, and the periodic table, tailored for Edexcel IGCSE Double Award students. Perfect for exam preparation and understanding fundamental chemistry principles.
BiologyComprehensive GCSE Science Overview
Explore a detailed compilation of key concepts across Biology, Chemistry, and Physics for the GCSE curriculum. This resource covers essential topics, including atomic structure, ecosystems, chemical reactions, and more, providing students with a thorough understanding to excel in their studies. Ideal for revision and exam preparation.
ChemistryOCR A-Level Chemistry Vocabulary
Explore an extensive collection of key terms and concepts for OCR A-Level Chemistry, organized by topic and sub-topic. This resource is designed to enhance your understanding and application of advanced vocabulary in exams, covering essential areas such as atomic structure, organic chemistry, and reaction mechanisms.
Most popular content
9SociologySociology of Families: Comprehensive Revision
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.
SociologySociology of Education Overview
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.
BiologyAQA Biology: Key Concepts
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.
BiologyA-Level Biology Year 1 Overview
Comprehensive summary of AQA A-Level Biology Year 1, covering key topics such as cellular structure, protein synthesis, immune response, gas exchange, and more. Ideal for exam preparation and understanding biological concepts. Includes detailed insights into cellular processes, biological classification, and the circulatory system.
MathsComprehensive Maths Concepts
Explore essential mathematical concepts including powers, geometry, statistics, and probability. This resource features 65 pages of detailed explanations, diagrams, and examples to enhance your understanding of topics such as right triangles, volume calculations, and data representation. Ideal for students seeking to strengthen their numeracy skills and grasp complex mathematical principles.
SociologyComprehensive Crime & Deviance Overview
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.
CriminologyCriminal Justice Overview
Explore key concepts in criminal justice, including the trial process, roles of court personnel, types of offenses, and evidence handling. This comprehensive summary covers essential topics such as jury strengths and weaknesses, the role of the CPS, and the impact of media on trials. Ideal for students preparing for assessments in criminology. Achieved a B grade.
CriminologyCriminal Justice Evidence Rules
Explore the essential rules governing the use of evidence in criminal cases, including reliability, admissibility, and relevance. This summary covers key concepts such as the roles of personnel in investigations, the impact of witness testimonies, and the implications of plea bargaining. Ideal for Year 13 criminology students preparing for assessments.
SociologySociological Theories Overview
Comprehensive revision of key sociological theories including Functionalism, Marxism, Feminism, and Interpretivism. Explore concepts like value freedom, identity formation, and the critique of social control. Ideal for AQA A-Level Sociology students preparing for exams. This summary covers essential theories and their implications in sociology, providing a clear understanding of each perspective.
Students love us, and so will you.
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.