2306, 2019

IYPT 2019 Elements 039: Yttrium: Camera lenses and white LEDs

June 23rd, 2019|

Element 39 in our International Year of the Periodic Table series is yttrium. One of a number of elements discovered in the mines at Ytterby, Sweden, yttrium is found in camera lenses, some mock gemstones, and white LEDs.

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2106, 2019

IYPT 2019 Elements 038: Strontium: Glow-in-the-dark paint and reducing tooth sensitivity

June 21st, 2019|

Element 38 in our International Year of the Periodic Table series is strontium. Named after Strontian, a village in Scotland where it was discovered, strontium finds use in glow-in-the-dark paints and in toothpastes.

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2006, 2019

IYPT 2019 Elements 037: Rubidium: GPS, solar cells, and locating tumours

June 20th, 2019|

Element 37 in our International Year of the Periodic Table series is rubidium. Used in GPS satellites and in some types of perovskite solar cells, one of its isotopes can also be used to locate and image brain tumours.

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1606, 2019

IYPT 2019 Elements 036: Krypton: Lighting, the metre, and nuclear facilities

June 16th, 2019|

Element 36 in our International Year of the Periodic Table series is krypton. Used in high-speed flash photography, krypton also has a link to the definition of the metre and can help detect covert nuclear facilities.

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1206, 2019

IYPT 2019 Elements 035: Bromine: Flame retardants and purple dye

June 12th, 2019|

Element 35 in our International Year of the Periodic Table series is bromine. One of only two elements in the periodic table that are liquids at room temperature, its compounds are used as flame retardants and were historically used in dyes.

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506, 2019

IYPT 2019 Elements 034: Selenium: Shampoos and skunks

June 5th, 2019|

Element 34 in our International Year of the Periodic Table series is selenium. Named after the moon, selenium compounds pop up in shampoos and are also partly responsible for the awful smell of skunk spray.

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