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2 Infographics about the topic selenium
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This graphic looks at the colour of various metal and metalloid ions that occur during flame tests. Most people probably remember doing this experiment in school chemistry lessons, if not with the full range of ions shown here, but for the uninitiated a brief explanation of the origin of the ...
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’.