That is the electron in its lowest orbit, to the nucleus of atomic hydrogen.

那就是氢原子原子核外电子，最低轨道到情况。

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So, let's say we have an atomic number of 3, 3 that means we have 3 electrons, so we better hope to get our neutral atom that we have a charge of plus 3in the nucleus.

这也是很合理的，因为Z就是原子序数，假设原子序数是，那就有3个电子，那我们就希望,性原子有个带3个正电荷的原子核。

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Boron is an element with the ability to absorb neutrons, the sub-atomic particles that occur in the nucleus of all atoms.

硼是一种可以吸收中子的元素，中子是一种存在于所有的原子核中的亚原子粒子。

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We are expecting to see that it decreases because it's feeling a stronger pull, all the electrons are being pulled in closer to the nucleus, so that atomic size is going to get smaller.

我们将看到它是减小的,因为电子会感受到越来越强的吸引力，所有的电子将会被原子核拉得越来越近，所以原子半径将越来越小。

麻省理工公开课 - 化学原理课程节选

That is the electron in its lowest orbit, to the nucleus of atomic hydrogen.

那就是氢原子原子核外电子，最低轨道到情况。

麻省理工公开课 - 固态化学导论课程节选

This is because even though z, the atomic number is still increasing, we are also getting further away from the nucleus.

从有效核电量方面来想一想为什么，这是因为，尽管，Z，原子序数依然在变大，但我们同时也在离原子核越来越远。

麻省理工公开课 - 化学原理课程节选

Their demon is another atomic nucleus, which interacts with the first as the demon would.

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Radioactivity is measured in Becquerels, which convey the disintegration of an atomic nucleus per second.

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Other ideas include building a detector to see if the spin of an atomic nucleus can be measured, or using the technique as an ultrasensitive antenna.

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