By Eric Scerri (ed.)
The chemical components are the development blocks of lifestyles, yet may possibly you talk about the periodic desk over the dinner desk? Which components positioned the blue into blu-ray and the lime into limelight? And have you learnt sufficient approximately antimony, arsenic, and aluminum to light up the bar along with your elemental wisdom? 30-Second parts provides you with the rules of chemical wisdom, distilling the 50 most vital chemical components into half-a-minute person entries, utilizing not anything greater than pages, three hundred phrases, and one photograph. Divided into seven chapters, it comprises the atomic info of the opposite sixty eight components and the relationships of all 118, in addition to biographies of the chemists who reworked medical wisdom and unlocked the mysteries of existence itself. Illustrated with explosive pics, here's the fastest method to recognize your arsenic out of your europium.
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Additional info for 30-Second Elements: The 50 Most Significant Elements, Each Explained in Half a Minute
Redox reactions Also called oxidation reduction reactions, chemical reactions in which oxidation and reduction take place. reduction The opposite of the technical meaning of oxidation – that is, a reaction in which one or more electrons is gained. substitution reaction Chemical reaction in which one element in a compound (an atom, ion or group of atoms/ions) is replaced by another element. HALOGENS AND NOBLE GASES The halogens and noble gases are in groups 17 and 18 of the periodic table. The halogens are non-metallic elements; all have seven electrons in their outer shell.
The halogens are non-metallic elements; all have seven electrons in their outer shell. The noble gases all have full outer shells of electrons and so do not readily form compounds. They are called ‘noble gases’ because they rarely react with other elements – a reference to members of the nobility who traditionally kept themselves aloof from other people in society. Halogens Symbol Atomic Number Fluorine F 9 Chlorine Cl 17 Bromine Br 35 Iodine I 53 Astatine At 85 Noble Gases Symbol Atomic Number Helium He 2 Neon Ne 10 Argon Ar 18 Krypton Kr 36 Xenon Xe 54 Radon Rn 86 FLUORINE the 30-second element Early chemists knew that the mineral fluorspar (calcium fluoride), used in welding metals and etching glass, contained an unknown element, but they could not isolate it.
In 1941, Seaborg co-discovered the element plutonium, with Edwin McMillan, Joseph Kennedy and Arthur Wahl. Plutonium would be used in nuclear reactors and in the atomic bomb dropped on Nagasaki – which Seaborg also helped to develop. During the war, he joined a number of scientists who petitioned US President Truman to stage a public demonstration of the atomic bomb’s might, to persuade Japan to surrender. However, their request fell on deaf ears. In 1940, Edwin McMillan discovered neptunium and over the next 16 years Seaborg and his co-workers at Berkeley discovered the other nine elements in the transuranium sequence, from neptunium (number 93) to nobelium (number 102) – all heavier than uranium.
30-Second Elements: The 50 Most Significant Elements, Each Explained in Half a Minute by Eric Scerri (ed.)