Atomic Number: 21
Atomic Symbol: Sc
Atomic Weight: 44.9559
Boiling Point: 2836 C
Melting Point: 1541 C
Scandium is a silver metal. It was discovered in 1878 and has only been found in Scandinavia. Not much is known about its toxicity, and therefore the metal should be handled with care. When exposed to air, the metal gives off a pinkish […]

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Atomic Number: 19
Atomic Symbol: K
Atomic Weight: 39.098
Boiling Point: 759 C
Melting Point: 63.5 C
Potassium is a metal. It makes up about 2% of the earth’s crust by weight. It is never found freely in nature, but has a great demand as fertilizer.

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There are a couple of definitions of the word “hybrid”. But here we are talking about cars that run on gasoline and electricity. There are two different engines in a hybrid car: an electric engine and a gasoline engine. These two engines work together in different ways depending on what type of hybrid it was […]

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