Graphene is a flat sheet of carbon just one atom thick—with the carbon atoms arranged in a honeycomb lattice.

石墨烯是一种只有单原子厚度的碳原子平面层——碳原子按蜂窝状晶格排列。

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The size of the carbon atom is based on its van der Waals radius.

碳原子的大小以其范德华半径为基础。

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This is possible because of the electrical neutrality of the carbon atom.

这可能是由于碳原子的电中性造成的。

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The researchers found the presence of carbon thirteen, a version of the carbon atom that is usually found in space.

VOA: special.2009.09.30

PROFESSOR: All right, start again, what's the hybridization of the carbon atom?

好了，再说一遍，碳原子的杂化轨道是什么？

麻省理工公开课 - 化学原理课程节选

If we have, coming along this z axis, another carbon atom, we can actually form one bond between the two carbon atoms there.

如果我们在z方向，有另外一个碳原子，我们可以在,两个碳原子之间形成一个键。

麻省理工公开课 - 化学原理课程节选

The researchers caught an intermediate step in the process by which hydrogen is removed from tryptamine, namely the point at which a proton disappears from a carbon atom as the carbon-hydrogen bond breaks.

ECONOMIST: Biochemistry: Evolving enzymes | The

That's why it's called carbon dioxide, or C02 one carbon atom from the gasoline and two oxygen atoms from the air.

NPR: Has the Move to Make Cars Greener Stalled?

Natural gas is mostly methane, which has four hydrogen atoms for every carbon atom the maximum that is physically possible for a hydrocarbon.

ECONOMIST: How green is your hydrogen?