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67Chemical Elements: Hydrogen and Calcium
Hydrogen Symbol: H Origin: Named by Lavoisier which comes from the word "hydro" and "gen" which means water forming. Discovery: Hydrogen was discovered by Henry Cavendish of Britain in 1776. Properties: It...
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74Chemistry: The Elements and Their Uses II
Berkelium Berkelium is a member of the actinide group of elements. Its symbol is Bk. It is silvery in colour. It can be attacked by oxygen, steam and acids but not by alkalines. Berkelium was named after...
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69Chemical Elements: Properties and Uses of Silver and Gold
Silver It comes from the Anglo-Saxon word “seolfur” and the symbol Ag, from “argentum”. Silver is a white, lustrous metallic element that conducts heat and electricity better than any other metal....
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69Chemical Elements: Properties and Uses of Zinc and Iodine
Iodine comes from the word "ioeides" or violet. Its symbol is "I" and is a relatively rare element. It was first isolated from seaweed residues in 1811 by Bernard Courtois, a French manufacturer of saltpeter...
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68Chemical Elements: Properties and Uses of Arsenic and Astatine
Arsenic Its symbol is As. Its atomic number is 33. Arsenic comes from the Greek word “arsenikos” which means male or masculine. It has been a known element since the ancient times. It was discovered by...
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65Chemical Elements: Properties and Uses of Argon and Barium
Argon Its symbol is Ar. Its atomic number is 18. Argon comes from the Greek word “argos” which means “inactive” because it does not easily react with other elements. Argon was discovered in 1894 by...
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67Chemical Elements: Carbon and Chlorine
Photo taken from Blog.michaelgaio.com Carbon Symbol: C Origin: From the Latin word "carbo", meaning charcoal, a material that is composed primarily of carbon. Discovery: Carbon was discovered since the...
1 comment67Chemistry: The Elements and Their Uses
Actinium Actinium was discovered in 1899 by the French chemist Andre Loius Debierne. The element's name comes from the Greek word "actinos". which means "ray". This element is found in uranium ores to the...
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