Fun and Quirky Teacher Gifts. Need something different for end of term gifts - super cute button magnets will brighten up any teachers fridge or pinboard! Periodic Table Elements or Chemistry Button Fridge Magnets set of 6 in gift tin.
group 4 infograAgain, the name ‘crystallogens’ is technically not recognised by IUPAC – nor is ‘tetragens’, the other archaic name – but ‘the carbon group’ just doesn’t have the same ring to it. 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 isotopes