'Chemicool com' diaporamas de présentation

Periodic Table

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Yttrium

Yttrium. By: Daniel Saunders. Properties Yttrium has a metallic silver luster Yttrium is stable in the air except when divided Atomic # is 39 Symbol is Y Atomic weight is 88.9059. Uses Yttrium is used for lasers Yttrium is used as a deoxidizer for vanadium. .

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By, Caroline Hall

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Boron

B5 10.881 . Boron. Facts of Boron. Boron is a rockets igniter and used in pryotechnic flares Boron compounds are a medicine for arthritis . Boric acid is used to control some animals population (Silver fish ants and fleas) Boron is a shield for nuclear radaition .

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