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Опубликованно: 07.01.2004.
Язык: Английский
Уровень: Средняя школа
Литературный список: Нет
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  • Эссе 'Magnesium.', 1.
Фрагмент работы

Magnesium is a metal that was made by the British chemist; Sir Humphrey Davy in 1808. Humphrey is known for his research of reactions with electrical energy and chemical reactions. Magnesium is the light weight metal that doesn't change under normal conditions. Magnesium is found in the alkali earth metal family, which is group two of the periodic table.
In 1808 Sir Humphrey Davy isolated Magnesium. Today it is obtained mainly by electrolysis of combined magnesium. Magnesium is flexible and malleable when heated. The metal can not rust and by water or by oxygen at room temperature, but…

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