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It is present as a powder, and is the main constituent of substances such as charcoal, lampblack (soot) and activated carbon.

At normal pressures carbon takes the form of graphite, in which each atom is bonded trigonally to three others in a plane composed of fused hexagonal rings, just like those in aromatic hydrocarbons.

Thus, irrespective of its allotropic form, carbon remains solid at higher temperatures than the highest melting point metals such as tungsten or rhenium.

Although thermodynamically prone to oxidation, carbon resists oxidation more effectively than elements such as iron and copper that are weaker reducing agents at room temperature.

"èédú") je ipilese kemika to ni ami-idamo C ati nomba atomu 6.

Gẹ́gẹ́ bí ìkan nínú ẹgbẹ́ 14 lórí tábìlì ìdásìkò àwọn ẹ́límẹ̀ntì, ó jẹ́ aláìjẹ́-mẹ́tàlì àti afagbáramẹ́rindìmú—èyí jẹ́ pé ẹ̀lẹ́ktrọ́nù mẹ́rin wà láti dá ìsopọ̀ kẹ́míkà àjọfagbáradìmú.

Díámọ́ndì jẹ́ ìkan nínú àwọn èròjà tó le jùlọ, nígbàtí gráfáìt jẹ́ dídẹra dáadáa tó bẹ̀ẹ̀ láti fi kọ ìwé.

Díámọ́ndì ní ìgbéwọra oníṣetanná tó kéré gidi, nígbàtí gráfáìt jẹ́ olùgbéwọra tó dára gidigidi.

At elevated temperatures carbon reacts with oxygen to form carbon oxides, and will reduce such metal oxides as iron oxide to the metal.

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