Contents and Editorial (open access)

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Issue 375 | Page 2 | Published Jan 2020

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Periodic table

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Iodine and its biological function in humans

Iodine in thyroid function and how simple organification of an amino acid produces these essential hormones.

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O., O2 and O3: the key to life on the Earth

The importance of molecular oxygen, atomic oxygen, ozone and the hydroxyl radical in the Earth's atmosphere.

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Molecular nitrogen: inert but essential

There is no suitable substitute for molecular nitrogen in the atmosphere, which emphasises its necessity for life.

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"An Elemental Spectacle: A Guided Tour of the Darker Reaches of the Periodic Table"

Descriptions of demonstrations that can be done to show the properties of most of the elements.
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Recognising the long table and using it to make a folding (or 'concertina') periodic table

An activity designed to enable students to see how the periodic table was first envisaged after finding similarities in the properties of elements...

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The periodic table of danger (open access)

Elements from the periodic table that are noteworthy for their dangerous characteristics.
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The inevitable periodic table

Is the periodic table defined by quantum mechanics, or the other way around? What does this have to do with chess and video games?
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