组成，带正电质子的数目，决定了该原子的化学特性，例如它会否和其他原子结合成分子等。

The number of protons, which are positively charged particles, determines the chemical properties of the atom, e. G. Whether it will bond with other atoms to form molecules.

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所有的物质都是由分子构成的，而所有的分子内都有微小的原子、带正电荷的质子、中性的中子和带负电荷的电子。

All materials are made up of molecules, and all molecules have tiny atoms, with positively charged protons, neutral neutrons, and negatively charged electrons.

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