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Group 6 Elements

Element Infographics

This latest graphic looks at the elements of Group 6. ‘Chalcogens’ is an IUPAC accepted name for Group 6 the term chalcogen itself comes from the greek word ‘chalcos‘, and roughly translates as ‘ore-former’.

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Group 7 Elements

Element Infographics

This graphic looks at the halogens, found in Group 7 of the Periodic Table. This group consists of the elements fluorine, chlorine, bromine, iodine and astatine – the as yet provisionally named artificial element 117, tennessine, may also be a halogen. As always, the following are a few ...

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Group 8 Elements

Element Infographics

The noble gases are one of the better known groups of elements in the Periodic Table, and whilst some of their applications are obvious, such as the use of helium in balloons, others, such as the use of xenon in medical imaging andas a neuroprotector, or the use of helium as a carrier gas in gas ...

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Transition Metals

Element Infographics

This graphic looks at some general properties of the transition metals – I had a little less space to work with than with the previous graphics, on account of the large number of elements that the transition metals encompass, but hopefully what’s included is still of use.

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The Lanthanides

Element Infographics

This graphic looks at the elements known as the lanthanides – the ones stranded at the bottom of the periodic table, along with the actinides. For a group of elements that doesn’t really get much attention in chemistry teaching until at least undergraduate level, their applications are remarkably ...

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The Actinides

Element Infographics

The penultimate elements infographic focuses on the Actinides. Many of these elements don’t occur naturally, and are produced synthetically, with some of them existing only for a fraction of a second before they decay back into lighter elements.

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Mass Spectrometry and Interpreting Mass Spectra

For the fourth in the analytical chemistry series, we turn to mass spectrometry. So far, we’ve looked at how chemists can determine the presence of particular bonds present in molecules with infrared spectroscopy, and how they can gain information about the structure of molecules using hydrogen ...

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The Chemical Structures of Vitamins

Currently, there are 13 recognisedvitamins: vitamins A to E, including a range of B vitamins, and vitamin K. Generally, we can stick all of thevitamins into two broad categories. The fat soluble vitamins, vitamins A, D E, and K, can be stored by our bodies in the liver or in fatty tissues.They ...

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The Chemistry of Spider Venom

Spider venoms can be grouped into two broad categories: necrotic, and neurotoxic. Necrotic, or cytotoxic venoms, are those which cause cell and tissue damage after envenomation. This can lead to the appearance of inflammation, lesions, and blisters. Neurotoxic venoms, on the other hand, exert ...

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The Chemical Compositions of Insect Venoms

Insect venoms are complicated.Really complicated. You could be forgiven for thinking that it must be a relatively simple company of chemicals that makes up the painful sensation of a bee or wasp sting, but in fact a hugely complex mixture of all sorts of compounds – proteins, peptides, enzymes, ...

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