atomic structure


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atomic structure

n
(Atomic Physics) the concept of an atom as a central positively charged nucleus consisting of protons and neutrons surrounded by a number of electrons. The number of electrons is equal to the number of protons: the whole entity is thus electrically neutral
References in periodicals archive ?
Unit cells are the smallest regularly repeating three dimensional atomic structure that reflects the overall symmetry of a crystal, and studying their displacement can provide rich insights.
Each activity includes the objectives, rationale, materials, preparation, procedures, worksheets, and rubrics or evaluation sheets, and chapters define vocabulary and provide background on simple machines; waves, light, and sound; electricity and magnetism; energy and heat; force and motion in Newton's laws; states of matter and fluid laws; atomic structure, history, and the periodic table; and physical and chemical changes and acids, bases, and solutions.
By stitching together snapshots of the atomic structure taken at various times after the laser hit, they created a stop-motion movie of the structural changes over time.
Previously, Dr Yin has conducted research at the National Institutes of Health (NIH) and the University of Minnesota where he participated in breakthrough research to solve the atomic structure of the Rous Sarcoma Virus Intasome.
Summary: Mumbai (Maharashtra) [India], Nov 23 (ANI-BusinessWire India): Scientists from the Edith Cowan University in Perth, Australia have developed a way to modify the atomic structure of iron to create a 'metallic glass' that can purify wastewater in minutes.
She stressed that crystals are specimens that took hundreds, even thousands, of years to form under intense conditions within the earth: 'Their atomic structure is repetitive, which is why there is also a mystical belief that these treasures can absorb or amplify energy.
An observed [beta]-trace represents the line along the atomic structure of a [beta]-strand (Figure 3).
There have been many investigations of C-S-H since recent decades, though an accurate enough model is still under seeking so far to describe the atomic structure of C-S-H.
To keep the atoms in place, IBM cooled its atomic structure to -269 degrees Celsius!
Using this technique, researchers created the largest atomic structure ever constructed by humans.
Amorphous alloys are unique materials that are distinguished by their ability to retain a random structure when they solidify, in contrast to the crystalline atomic structure that forms in ordinary metals and alloys.
The group were celebrating the start of work on a 2bn-euro "super microscope" which will enable thousands of researchers to see and understand the atomic structure of materials.