Sentences with phrase «of electrons in an atom»

That is the unimaginably short time scale on which processes such as the motion of an electron in an atom can be studied.
Physicists from Ludwig - Maximilians - Universitaet (LMU) in Munich have developed an attosecond electron microscope that allows them to visualize the dispersion of light in time and space, and observe the motions of electrons in atoms.
So comparing the positions of electrons in atoms at different spots on walls, windows and floors could provide a rough snapshot of where radioactive material was once stored and how strong it was, researchers report online July 3 in Health Physics.
The results give researchers a potential new, solid - state tool for «attosecond science,» which explores processes like the motions of electrons in atoms and the natural vibrations of molecules.
Through calculations and computer simulations, Atwater's team demonstrated that the trick to upping a material's thirst for light is to create more «optical states» for the light to occupy — which are like slots that can accept light with a certain wavelength, similar to the energy levels of electrons in atoms.
A group of Michigan State University researchers specializing in quantum calculations has proposed a radically new computational approach to solving the complex many - particle Schrödinger equation, which holds the key to explaining the motion of electrons in atoms and molecules.
I understand (to some extent) how individual atoms can radiate specific frequency spectral lines, as a result of energy level transitions of an electron in that atom.

Not exact matches

To produce EVERY molecule, every atom, every proton, neutron, and electron in the universe, only a source of immense «power» or energy source would create everything.
An atom is a point in space (unless you consider the shape of the electron shells).
if you want hydrogen 1 proton, 1 neutron, 1 electron and you have 1 atom of hydrogen; the hard part is it would cost us more energy than we can afford at this point in our technological stage to accomplish such a feat.
Thus, at the lowest level, electrons tend to unite and converge in the atom; atoms converge by molecularization, crystallization; molecules unite by polymerization; cells unite by conjugation, reproduction, association; nerve ganglions concentrate and localize to form a brain by what might be called a process of cephalization; the higher animal groups form colonies, hives, herds, societies, etc.; man socializes and forms civilizations as foci of attraction and organization.
In a sense there is just as much discontinuity of patterning between an electron and an atom or an atom and a molecule as there is between a molecule and a living cell.
Let us think of an electron microscope giving the situation of a target T with an atom A in the target with an electron coming in and being scattered by the atom.
Von Neumann says that as a result of this interaction with the electron, the atom is left in a certain state.
For example, when physicists explain the electrical conductivity of metals in terms of the «band structure» of the energy levels of the electrons in a crystal lattice of atoms, to which of the four causes does that correspond?
And since everything in the universe acts according to a definite pattern (electrons whiz round the nucleus of an atom and humans desire happiness - even if they are mistaken in what they do to try and get happy - and acorn trees produce acorns) then it is safe to say that there must be an intelligence moving the universe.
The atom must be considered as a whole (in the wave - function of a 2 - electron atom, even the separate identity of the electrons is lost).
He says that in physics the classes of things, e.g., atoms, protons, electrons, etc., are very homogeneous.
Doris, since your science is so infallible and only deals in facts prove how an electron does what it does and how it is that it is similar but different in atoms of different elements.
In this sense an atom is more complex than an electron, a molecule more complex than an atom, and a living cell more complex than the highest chemical nuclei of which it is composed, the difference depending (on this I insist) not only on the number and diversity of the elements included in each case, but at least as much on the number and correlative variety of the links formed between these elementIn this sense an atom is more complex than an electron, a molecule more complex than an atom, and a living cell more complex than the highest chemical nuclei of which it is composed, the difference depending (on this I insist) not only on the number and diversity of the elements included in each case, but at least as much on the number and correlative variety of the links formed between these elementin each case, but at least as much on the number and correlative variety of the links formed between these elements.
Every year we read more of the unimaginably minute particles such as electrons, protons, positrons, mesons, and others named and described in quick succession as science advances, which form the outer particles and the inner nuclei of the atom.
In my view this arises from the striving of partly completed atoms and molecules to complete their forms by capturing electrons.
Accordingly, he understands electrons and atoms in terms of «an analogy between the transference of energy from particular occasion to particular occasion in physical nature and the transference of affective tone, with its emotional energy, from one occasion to another in any human personality.
An analogous argument is quite applicable to other levels of organization such as that of electrons and protons in atoms.
It is clear from Bohm's writings that an aspect of the implicate order of the electron and the atom is the subjective aspect of these entities; what they are in themselves to themselves.
Nearing the very core of such awesomely huge black holes therein resides a centrality where atoms collide with such force that they release many of their atoms» electrons resulting in a wave of energy giving rise to particle jets being emitted from the said black hole's core.
The atom, the electron, the proton, the cell, whatever sort of brick or combination of bricks, is the same be it located in the centre of the sun or in the centre of a human brain.
At one point Leclerc suggests that compounds only come about when the acting is fully reciprocal (NPE 311), but there may well be more reciprocity among persons in an intensive communal experience than between the components of some compound, e.g., between some neutron in the interior of the nucleus of an atom and one of its electrons.
We will be concerned, however, with mental models of systems which for various reasons can not be represented by replicas, such as the economy of a nation, the electrons in an atom or the biblical God.
Lest he be misunderstood, he says that panpsychism does not for once question the real existence of such entities as atoms or electrons but merely insists that such individuals must «feel» and «will» He does not shrink from the view that electrons «enjoy» their existence and deliberately alter their orbits in order to obtain vivid contrasts and thus avoid being bored.30
Certainly consciousness does not exist at the level of atoms and electrons, nor does reflective self - awareness seem to appear in evolution until the human species comes onto the scene.
But there is good reason for holding that mentality in the form of some sort of rudimentary «feeling» may be present at the level of the energy - events that give rise to electrons and atoms.
It is by virtue of their physical properties that electrons and other particles combine in different ways to produce atoms, and so it is with atoms that find themselves in juxtaposition and then combine to produce molecules.
There was a time when the integration of electrons into atoms was the fighting frontier of progressive integration in the universe.
Since in the rest of the world besides ourselves processes of «taking account of» are going on, be it in electrons or atoms or cells, then it is logical to suppose that this subject - object relationship involves subjectivity for these other entities.
From the point of view of an electron there are light years of space between one atom in my body and the next.
We (and science in general) start by accepting the real existence of certain scientific objects — atoms, electrons, gravitation, light, etc..
The history of science provides many examples of this combination of analogy and innovation in the creation of models which were useful in generating theories.4 The «Bohr model» of the atom, in which «planetary» electrons revolve in orbits around a central nucleus, resembles the solar system in certain of its dynamical properties; but the key assumption of quantum jumps between orbits had no classical parallel at all.
For those who enjoy chemistry: Free radicals are an unpaired electron in orbit around the nucleus of an atom.
For example, the presence of hydrogen and methane are clues that the chemical environment of the fluid in which the diamond crystallized was one in which the metal atoms could easily gain electrons and disengage from carbon atoms.
Atoms in the corona are so hot that they give up many of their electrons — iron atoms have been known to lose up to half of their original cAtoms in the corona are so hot that they give up many of their electrons — iron atoms have been known to lose up to half of their original catoms have been known to lose up to half of their original count.
Each hydrogen atom, made up of just a single proton and electron, can be found in two slightly different states: a higher energy state in which the electron and proton essentially spin in the same direction, and a lower energy state in which they spin in opposite directions.
There are basically two types of lines, those produced by collisions between the atoms or ions and the electrons in the surrounding gas, which are called collision lines, and which are very bright for elements such as oxygen, nitrogen and neon, and lines which are produced when ions capture free electrons, which are called recombination lines, and which are bright only for those gases with the highest abundances in the interstellar medium: hydrogen and helium.
They show the beauty of the atom, including its orbiting electrons in the colors of red, orange, and light green.
Invented in 1960, lasers use an external «pump,» such as a flash lamp, to excite electrons within the atoms of a lasing material — usually a gas, crystal, or semiconductor.
These timekeepers are based on precise knowledge of the frequency of specific transitions between defined energy levels in the electron shells of certain atoms.
Now, new observations of a particular wavelength of infrared light from that galaxy betrays the presence of oxygen atoms that have two electrons missing (in the smaller region depicted in green), researchers report online today in Science.
After all, particle accelerator searches over the last two decades had narrowed the range of possible masses for the Higgs; if it existed at all, it had to weigh in at between 114 billion and 143 billion electron volts or GeV (1 GeV is slightly more than the mass of a hydrogen atom).
These rules predict, for example, how electrons orbit a nucleus in an atom, and how an atom can absorb photons, particles of light.
As its sharp - tipped probe scans a surface, the extent to which electrons «tunnel» between the tip and surface indicates changes in height caused by the presence of atoms.
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