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Опубликованно: 06.11.2005.
Язык: Английский
Уровень: Средняя школа
Литературный список: Нет
Ссылки: Не использованы
  • Эссе 'Group 14 of the Periodic Table of The Elements.', 1.
  • Эссе 'Group 14 of the Periodic Table of The Elements.', 2.
  • Эссе 'Group 14 of the Periodic Table of The Elements.', 3.
Фрагмент работы

-General summary of elements
Carbon
Symbol - C
Atomic Number- 6
Atomic Mass- 12.0
Electrons per shell- 2, 4
Carbon is a solid, non-metallic element that is found in stars, comets, and the atmospheres of most planets. It is naturally occurring, and is found in three different forms. They are: graphite, amorphous, and diamond. Artificial diamonds are made by the application of heat and pressure (> 125 knar) in the presence of a catalyst such as iron, chromium or platinum. It seems that the metal melts on the carbon surface, the graphite dissolves in the metal film, and the less solu…

Atlants