Question

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摩擦起电只是一种现象。近代科学告诉我们：任何物体都是由原子构成的，而原子由带正电的原子核和带负电的电子所组成，电子绕着原子核运动。在通常情况下，原子核带的正电荷数跟核外电子带的负电荷数相等，原子不显电性，所以整个物体是中性的。原子核里正电荷数量很难改变，而核外电子却能摆脱原子核的束缚，转移到另一物体上，从而使核外电子带的负电荷数目改变。当物体失去电子时，它的电子带的负电荷总数比原子核的正电荷少，就显示出还正电；相反，本来是中性的物体，当得到电子时，它就显示出带负电。

Answer 1

Friction electrification is a phenomenon. Modern science tells us: any object by the atoms, and the positively charged atomic nuclei from the band and with the negative electronic components, electronic movement around the nucleus. Under normal circumstances, the positively charged nuclei with a few Gaiwaidianzi band with a negative charge corresponded to the number of atoms - not significantly, the whole object is neutral. Positively charged nuclei, the number is unlikely to change, and Gaiwaidianzi able to shake off the shackles of nuclei transferred to another object, so that the negative charge Gaiwaidianzi with the number change. When the loss of electronic objects, its electronic band negative charge of the nucleus than the total number of positive charge less on the show also MMH contrary, which was neutral objects, when electron, it showed negative zone.