All Equations, formulas and nomenclature articles – Page 4

Class experiment

Identifying the products of electrolysis

In association with Nuffield Foundation

Try this class experiment to carry out the electrolysis of various solutions and investigate the products formed. Includes kit list and safety instructions.

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Organic chemistry infographics

2015-04-10T15:06:00Z In association with Compound Interest

A collection of visually stimulating and informative infographics covering various topics of organic chemistry. These would be a valuable addition to any science classroom.

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On This Day - Oct 23 : Mole day

Celebrated by chemists annually from 6.02 am to 6.02 pm on October 23rd, Mole Day commemorates Avogadro’s number (6.022 x 10²³), which is the number of atoms in exactly 12 grams of carbon-12 (one mole). This was founded by the National Mole Day Foundation on 15th May 1991.

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Thermodynamic calculations and sherbet lemons | Chemistry Olympiad worked answers

In association with The Wolfson Foundation

Try this worked example of a Chemistry Olympiad question, investigating properties of ingredients in sherbet lemons. Includes video walkthrough and transcript.

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Writing ‘explosive’ equations | Chemistry Olympiad worked answers

In association with The Wolfson Foundation

Practise writing equations in the context of explosives in this worked example of a Chemistry Olympiad question. Includes video walkthrough and transcript.

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Organic synthesis and ambergris substitutes | Chemistry Olympiad worked answers

In association with The Wolfson Foundation

Delve into the synthesis of Ambrox®, a substitute for ambergris in perfume, with this Chemistry Olympiad worked example question. Includes video walkthrough and transcript.

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On This Day – Jul 09 : Amedeo Avogadro died

His hypothesis – now known as Avogadro’s Law – states that equal volumes of gases at a given temperature and pressure contain the same number of molecules. This is now widely accepted, and the number of molecules in a mole is referred to as Avogadro’s number, 6.023 x 10²³.

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On This Day - Apr 17 : Chemical naming established

This book presented a logical system for naming chemical substances. Proposed names were based on the origin or function of each element, and led to an international consensus for naming chemicals.

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Minerals & elements in the Earth's Crust

Use questions about the composition of minerals and ores to reinforce work on elements, compounds, symbols and formulae.

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Gemau grid: 101 o bosau cemeg y gallwch eu hargraffu

Archwiliwch y posau cemeg hyn, sy’n debyg i bosau sudoku, gyda thaflenni gwaith ac atebion y gallwch eu hargraffu, a darganfyddwch sut i’w defnyddio i ennyn diddordeb eich myfyrwyr mewn pynciau allweddol.

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Gridlocks: 101 printable chemistry puzzles

Explore these sudoku-style chemistry puzzles with printable worksheets and answers, and discover how they can be used to engage your students with key topics.

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28 o bosau cemeg i fyfyrwyr 14–16 oed

Defnyddiwch y posau hyn, sydd wedi’u hysbrydoli gan sudoku, ynghyd â’r taflenni gwaith a’r atebion y gallwch eu hargraffu, i helpu pobl ifanc 14–16 oed i gyfnerthu eu dealltwriaeth o gysyniadau cemegol allweddol.

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28 chemistry puzzles for 14-16 years

Use these sudoku-inspired puzzles with printable worksheets and answers to help 14–16 year olds consolidate their understanding of key chemical concepts.

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45 chemistry puzzles for 16-18 years

Try these chemistry puzzles based on sudoku to help 16–18 year old students consolidate their knowledge about key topics, with printable worksheets and answers.

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28 chemistry puzzles for 11-14 years

Try these sudoku-style chemistry puzzles for 11–14 year olds to reinforce your students’ understanding of key ideas, featuring printable worksheets and answers.

Lesson plan

Rules for naming hydrocarbons: alkanes to arenes | 16-18 years

Review the rules for naming hydrocarbon structures, including alkanes, alkenes, alkynes and arenes, using this lesson plan with activities for 16–18 year olds.

Lesson plan

Writing word equations and finding reaction patterns | 14-16 years

Try this lesson plan for 14–16 year olds to help your students identify patterns in chemical reactions and practise writing word equations to describe them.

Lesson plan

Exploring precipitation reactions using diagrams | 14-16 years

Discover how ions are arranged in precipitation reactions and practise completing ionic equations using this lesson plan with activities for 14–16 year olds.

Lesson plan

What do chemical words mean? Exploring key terms | 14-16 years

Explore and clarify key concepts including substance, pure, element, compound, atom and molecule using this lesson plan with activities for 14–16 year olds.