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253 Infographics of compound-interest
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Mole Day
Avogadro & The Mole
Today, 23rd October, is Mole Day – which might put you in mind of small, furry, burrowing animals. However, they don’t even seem to have a commemorative day of any kind; we’re actually talking about the mole in chemistry, a quantity that essentially allows us to ‘count’ atoms and molecules in a ...
A Guide to Chemical Hazard Symbols
Back to some chemistry basics for today’s post, with a look at the nine different hazard symbols commonly used towarn of chemical dangers. These symbols are frequently encountered in the lab – and also on some household products – and whilst some are self-explanatory, others can require a little ...
The Chemical Compounds Behind the Smell of Flowers
Roses Their scent is majorly influenced by compound named after the flower, (-)-cis-rose oxide. This molecule is a particular isomer of rose oxide (which has 4 different isomers), and the one which contributes the typical floral rose fragrance. Carnations Carnations, too, are a common component ...
Common Polyatomic Ions
Names, Formulae, and Charges
Know your sulfates from your sulfites, and your chlorates from your perchlorates? This graphic gives a helping hand with remembering the names, formulae and charges of various different polyatomic ions. The selection covers all of the ions GCSE students are likely to come across, as well as the ...
The Science of Sunscreen & How it Protects Your Skin
With summer more or less here (stifle those sniggers, English readers), it seemed as good a time as any to examine the chemicals in sunscreen. It’s a product that many of us may take for granted, but you’ve got chemistry to thank for it preventing your skin turning lobster red in the summer sun. ...
Why Does Bacon Smell So Good?
The Aroma of Bacon
When it comes to breakfasts, there are few aromas better than that of bacon, sizzling and crisping in a pan. As part of a brief new series looking at the chemicals behind aromas, this graphic considers the chemicals that lend bacon it’s characteristically mouth-watering scent. Considering that ...
Group 1 Elements
Element Infographics
I wanted to display all the key points about each group of elements, in a way that was both clear and engaging for the pupils – as a consequence, the information presented is relatively basic, so that it’s accessible for as many of the year groups as possible. I also tried to include some ...
Group 2 Elements
Element Infographics
The second of a series of infographics on the groups of the periodic table, here some general properties of the group 2 elements are examined. As stated previously, these are primarily aimed at secondary school students, hence the relative simplicity and generality of the information presented.
Group 4 Elements
Element Infographics
This latest infographic focuses on the Group 4 (Group 14 in IUPAC nomenclature) elements. One extra fact to add for the curious: although tin has the greatest number of stable isotopes, Xenon trumps it comprehensively if unstable isotopes are also included in the count, with well over 30 possible ...
Group 5 Elements
Elements Infographics
The latest of the element infographics looks at the Group 5 elements. There is, once again, an interesting fact that I couldn’t quite fit in, or left out at the expense of others:Bismuth-209 was long thought to have heaviest stable nucleus of any element, until 2003 when it was determined by ...
