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2910, 2019

IYPT 2019 Elements 084: Polonium: Radiation poisoning and moon rovers

October 29th, 2019|

Element 84 in our International Year of the Periodic Table series is polonium. Polonium is a highly radioactive element which has been used as a heat source for space travel and exploration. It was also the centre of attention in a high-profile poisoning several years ago.

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2810, 2019

IYPT 2019 Elements 083: Bismuth: Cosmetics and crackling fireworks

October 28th, 2019|

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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2710, 2019

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

October 27th, 2019|

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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2510, 2019

IYPT 2019 Elements 081: Thallium: Rat poison and thermometers

October 25th, 2019|

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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1910, 2019

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

October 19th, 2019|

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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1710, 2019

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

October 17th, 2019|

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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