The electron soon attaches itself to another molecule, making a negatively charged ion.

电子很快被另一个原子所吸附，使之成为负离子。

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In a neutral atom, the protons in the nucleus are balanced by the electrons. An atom that has gained or lost electrons becomes negatively or positively charged and is called an ion.

在中性原子中，电子数和原子核的正电荷数相等，但有些原子可以拥有比原子核的正电荷更多或更少的电子，从而原子就带上负的或正的电荷，这类带电的原子称为离子。

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Wrapping a large sheet of negatively charged df-G around a positively charged Co3O4creates a very promising anode for high-performance Li-ion batteries.

通过在带正电荷的Co3O 4周围包裹一大层带负电荷的石墨烯，可以为高性能锂离子电池制备出一个非常有效率的阳极。

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The electron soon attaches itself to another molecule, making a negatively charged ion.

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If you zap purified water with electric current, you can split apart a water molecule into a positively charged hydrogen ion and a negatively charged hydroxide ion (oxygen attached to hydrogen).

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