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。
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。
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。
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。
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