If the atom is fixed mass, and the electron is tiny, it must be the positives have all the mass.
如果是原子质量一定，而电子很小，那么带正电荷的部分几乎占据了全部质量。
When a neutron inside an atom decays, it produces a proton, an electron, and a neutrino.
原子内的一个中子衰变后会产生一个质子、一个电子和一个中微子。
By 1911, scientists had already measured the charge and mass of an electron. But no one was sure how the atom was structured.
在1911年之前，科学家认为电子带有电荷以及质量，但没有人很确认原子是怎样组成的。
This extension of the photoelectric effect, in which one photon knocks one electron off the edge of an atom, could make physicists reconsider when light is a wave and when it's a particle.
在这种光电效应的延伸中，一个光子从原子的边缘打出一个电子，这可能要使物理学家们重新考虑光在什么情况下是波，什么情况下是粒子。
These are all one electron atoms, and they are gas, a single atom.
这些都是单电子原子，它们都是气体，都是单原子。
We can observe the interaction of the atom and the nanotube as the electron is trying to tunnel, and this offers us a chance to peek at some of the interesting dynamics that happen at the nanoscale.
通过电子尝试隧穿这一过程，我们不仅可以观察到原子与纳米管之间的相互作用，还可以一窥发生在纳米量级上的动力学效应。
Such ultra-precise clocks are based on the quick vibrations of a single aluminum ion, an atom that has lost one electron, held in a vacuum and confined by electromagnetic fields.
如此极其精确的时钟是建立在单一铝离子的快速振动，铝离子就是包含在真空中受电磁场约束的失去一个电子的原子。
We're going to be looking at the solutions to the Schrodinger equation for a hydrogen atom, and specifically we'll be looking at the binding energy of the electron to the nucleus.
我们将研究下氢原子薛定谔方程的解，特别是电子和核子的结合能，我们将研究这部分。
So, why don't you take a look at this and tell me which are possible for a 2 s electron in a lithium atom where z 3 is going to be equal to three?
你们为什么不看一下这个然后告诉我对,于一个锂原子中的2s电子哪些是可能,的？它的有效电荷量,可能等于？
One can picture this single electron spin caught on the nanotube as an artificial atom, " says researcher from University of Copenhagen and participant in the study, Jonas Hauptmann.
人们也可以把被碳纳米管捕捉的单电子自旋当成一个人造的原子。”哥本哈根大学研究员，这项研究的参与者，Jonas Hauptmann说。
Ionized by energetic starlight, a hydrogen atom emits the characteristic red H-alpha light as its single electron is recaptured and transitions to lower energy states.
氢原子被高能的恒星光离子化之后，在它的单个电子重新被捕获并跃迁到低能级上时会放出典型的红色h - alpha光。
Because what it tells is that we can figure out exactly what the radius of an electron and a nucleus are in a hydrogen atom.
我们可以，准确的算出，氢原子中，电子。
You start with liquid metal one, liquid metal two, you have the atom ratios proper, they mix, electron transfer occurs and poof, it is clear and colorless. Sorcery.
从液态金属一，液态金属二开始，你有合适的原子比例，混合它们，电子转移发生且被证实了，产物是透明无色的，有点辣味。
A second of time, for instance, is now defined in terms of an electron transition of the cesium atom. And the meter is tied to the speed of light.
比如说，秒就是根据铯原子内部的电子跃迁时间来下的定义，而米的定义则和光速有关。
That means it lacks sufficient energy, like x-rays and gamma rays, to remove an electron from an atom or a molecule to make a charged particle that can damage DNA and biomolecules.
也就是说，微波辐射与X射线和伽玛射线不同，是不具有足够的能量的，从而不会使原子或分子失去电子而变成带电粒子，造成DNA及其它生命分子的损坏。
A chemical bond in which one atom loses an electron to form a positive ion and the other atom gains to electron to form a negative ion.
一个原子失掉一个电子来形成一个正离子，另一个原子得到一个电子来形成一个负离子的化学键。
Bohr was able to predict the wave lengths of the light from the makeup of the atom, and the jump from electron orbit to electron orbit.
玻尔根据原子的结构，和在电子轨道间的跳跃情况，就能预见光的波长。
The electron- ics of the C atom and the N atom on the coal surface amino transfer to oxygen atom in the oxygen molecule.
煤表面氨基上的C原子和N原子的电子向氧分子中的氧原子转移。
And there again is another difference between multi-electron atom and the hydrogen atoms.
在多电子原子和氢原子，之间还有一个区别，当我们谈论多电子原子轨道时。
Some electron collisional transfer rates between excited states of the atom can be calculated from this model using experimental data of both sensitized and direct resonant fluorescence.
用敏化荧光和共振荧光的实验数据，可由该模型定出由于电子与原子碰撞而产生的原子能级间的转移速率。
And, as I mentioned, we left off and as we started back here to describe the atom and how the atom holds together the nucleus and the electron using classical mechanics.
我之前提及过，我们上次，讲到应用经典力学如何描述，一个原子以及原子如何把质子，和电子束缚在一起，今天我们要。
The velocity distribution function of the electron gas is measured by using Franck-Hertz experiment instrument, and the dynamical process of collision between electron and argon atom is analyzed.
利用夫兰克-赫兹实验仪测量了电子气体的速度分布函数，并分析了电子与氩原子碰撞的动力学过程。
The morphologies and structures obtained the anodized aluminum films were characterized by scanning electron microscopy (SEM). Transmission electron microscopy (TEM) and atom force microscopy (AFM).
并用扫描电子显微镜(sem)、透射电子显微镜(TEM)和原子力显微镜(afm)对阳极氧化铝膜的形貌和结构进行了表征。
The molecular morphology was observed directly by atom force microscope (AFM) and transmission electron microscope (TEM).
采用原子力显微镜及透射电镜直接观测分子形貌。
That reminds me of atom: the movement of electron is irregular, however, it is always around the nucleus and within the atom.
这让我想起了原子：电子跑来跑去，没有规律，但始终围绕着一个核心在转。
So now we can go back and think about filling in these electron configurations for any atom.
实用现在我们返回来再考虑，关于填充任意原子，电子构型的问题。
Scanning electron microscope (SEM) and atom force microscope (AFM) were used to characterize the morphologies of the AAO template, respectively.
并采用扫描电子显微镜（SEM）及原子力显微镜（AFM）对AAO模板表面及内部结构进行了表征。
Using ab initio method, the minimum energy conformations and netcharge distribution have been studied for H_2CN radical isomers formed by addition ofa H atom (or an electron) to HCN (or HNC) molecule.
用量子化学从头计算法研究了HCN、HNC分子与H原子和电子加成生成的H_2CN自由基异构体的最低总能量构象和净电荷分布。
In Gaseous state, Numerical Value of Ionization energy measure difficult and easy of metal atom lose electron.
在气相中，金属原子失去电子的难易用电离势数值大小来衡量。
In Gaseous state, Numerical Value of Ionization energy measure difficult and easy of metal atom lose electron.
在气相中，金属原子失去电子的难易用电离势数值大小来衡量。
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