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IYPT Elements

IYPT 2019 Elements 083: Bismuth: Cosmetics and crackling fireworks

Element 83 in our International Year of the Periodic Table series is bismuth. Bismuth’s compounds are used in some cosmetics and are also behind the fizzing, crackling sounds of some fireworks.

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IYPT Elements

IYPT 2019 Elements 082: Lead: Batteries, bullets and toxicity

Element 82 in our International Year of the Periodic Table series is lead. Lead and its compounds have previously been used in petrol, water pipes and paints, though its toxicity has led many of its uses being discontinued. It’s still used in car batteries and bullets.

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IYPT Elements

IYPT 2019 Elements 081: Thallium: Rat poison and thermometers

Element 81 in our International Year of the Periodic Table series is thallium. Thallium and its compounds are toxic, which limits their uses, though in the past it’s been used as a rat poison and in some types of thermometers.

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IYPT Elements

IYPT 2019 Elements 080: Mercury: Liquid metal and potent poison

Element 80 in our International Year of the Periodic Table series is mercury. Mercury is the only metal which is liquid at room temperature and has a reputation for toxicity.

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IYPT Elements

IYPT 2019 Elements 079: Gold: Food additive and arthritis treatment

Element 79 in our International Year of the Periodic Table series is gold. Gold compounds have been used to treat arthritis in the past. Gold is also used as a food additive and found in large quantities dissolved in the oceans.

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IYPT Elements

IYPT 2019 Elements 078: Platinum: Cancer drugs and catalysts

Element 78 in our International Year of the Periodic Table series is platinum. Platinum is found in compounds used as key anti-cancer drugs and it also one of several metals used in catalytic converters.