Name: Knowunity
Brand: Knowunity

English (UK)

Maths

Biology

Chemistry

English Lang.

History

notes on how the periodic tables has adapted over time.  easy and revisable notes

Explore the historical development of the periodic table, from Döbereiner's triads to Mendeleev's predictions and the modern arrangement by atomic number. This summary highlights key figures, concepts, and the significance of element grouping, making it an essential resource for understanding chemical properties and atomic structure.

Evolution of the Periodic Table

Revision note

Kamilah

Study note

English (US)

development of the periodic table

Physics

AP Chemistry

Development of the periodic table

Developing the periodic table

Explore key concepts and exam questions related to the periodic table, including group properties, atomic structure, and chemical bonding. This summary covers essential topics such as alkali metals, noble gases, and ionic equations, providing a comprehensive overview for students preparing for assessments.

Periodic Table Insights

Exam Practice

Safa

Worksheet

periodic table 

Periodic table 

Explore the reactivity of alkali metals and halogens through displacement reactions and chemical equations. This study note includes practice questions, detailed explanations of periodic trends, and insights into balancing equations. Ideal for exam preparation in chemistry.

Reactivity of Metals

Emma Gansbuehler

groups in the periodic table 

Groups In The Periodic Table 

Exemplar notes of the alkali metals, the halogens and the noble gases

Explore the properties and reactions of alkali metals, halogens, and noble gases in this detailed summary. Understand the unique characteristics of each group, including their electron configurations, reactivity, and industrial applications. Ideal for GCSE chemistry students looking to grasp key concepts in atomic structure and bonding.

Reactivity of Alkali Metals & Noble Gases

Keshav Gupta

GSCE chemistry group 1, group 7 and group 0

Explore the fundamentals of atomic structure and the periodic table, including ion formation, group characteristics, and periodic trends. This summary covers key concepts such as alkali metals, noble gases, and balancing chemical equations, providing a comprehensive overview for students studying chemistry.

Atomic Structure Insights

Márcia

Atomic Structure & Periodic Table

Making predictions about elements

Metallic, ionic, covalent bonding and properties of the bonding.

Explore the fundamentals of metallic, ionic, and covalent bonding, including their properties and structures. This summary covers key concepts such as electron transfer, delocalised electrons, and the characteristics of small and giant molecules. Ideal for students preparing for exams in chemistry.

Chemical Bonding Essentials

Harry - Knowunity

Science

C3 - Structure and Bonding

Exam questions about Properties of transition metals 

Explore key properties and applications of transition metals through exam-style questions. This resource covers essential concepts such as metallic bonding, the periodic table, and the unique characteristics of transition metals like copper and iron. Ideal for exam preparation and understanding the role of metals in various applications.

Transition Metals Overview

exam questions about properties of transition metals 

properties of transition metals 

Properties of transition metals 

Atoms and Ions bond with each other in three main ways - ionic bonds, covalent bonds and metallic bonds. Different types of bonds form different types of structures - lattices and molecules. 

Explore the fundamentals of covalent and metallic bonding, including the characteristics of covalent bonds, the structure of molecules, and the properties of metallic bonds. This summary covers key concepts such as electron sharing, lone pairs, and the behavior of delocalized electrons in metallic structures. Ideal for students studying chemical bonding.

Covalent & Metallic Bonds

Avie

Covalent and Metallic Bonding

Metals & non-metals

Explaining the chemical reaction between Iron and Sulphur (creating Iron Sulphide). What changes are reversible, Iron, Sulphur & Iron Sulphide properties, simple particle diagram, and more. (Resources; Procreate iPad app, Apple Pencil).

Explore the chemical reaction between Iron and Sulphur, leading to the formation of Iron Sulphide (FeS). This study note covers the properties of Iron and Sulphur, the nature of mixtures versus compounds, and the irreversible changes during the reaction. Ideal for understanding chemical bonding, energy changes, and particle diagrams.

Iron-Sulphur Reaction

Scarlet

explaining the chemical reaction between iron and sulphur (creating iron sulphide). what changes are reversible, iron, sulphur & iron sulphide properties, simple particle diagram, and more. (resources; procreate ipad app, apple pencil).

iron & sulphur

Iron & Sulphur

Explore the fundamentals of ionic bonding, including ion formation, properties of ionic compounds, and the significance of electrostatic forces. This summary covers key concepts such as the formation of ions, giant ionic lattices, and the conductivity of ionic compounds in different states. Ideal for GCSE Chemistry students.

Periodic table

Developing the periodic table

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Making predictions about elements

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Metals & non-metals

3 best study notes in Metals & non-metals

Metal & non-metal oxides

2 best study notes in Metal & non-metal oxides