Synonym: corpuscle, molecule, mote, particle, speck. Similar words: tomato, symptom, stomach, customer, dichotomy, automatic, automobile, not to mention. Meaning: ['ætəm] 
n. 1. (physics and chemistry) the smallest component of an element having the chemical properties of the element 2. (nontechnical usage) a tiny piece of anything.
n. 1. (physics and chemistry) the smallest component of an element having the chemical properties of the element 2. (nontechnical usage) a tiny piece of anything. 
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151) Information drawn from the heavy atom plays an important role in the determination of crystal structures containing heavy atoms.
152) Gaussian short-pulse laser is applied to excited hydrogen atom in a static magnetic field and to produce Rydberg wave packets. We study the temporal evolution of Hydrogen Rydberg wave packets.
153) Sugar alcohol ( alditol ) An alcohol derived from a monosaccharide by reduction of its carbonyl group (CO) so that each carbon atom of the sugar has an alcohol group (OH).
154) So if we're talking about the fourth excited state, and we talk instead about principle quantum numbers, what principle quantum number corresponds to the fourth excited state of a hydrogen atom.
155) Atomic physics ( or atom physics ) is physics of the electron hull of atoms.
156) First, carbon monoxide and hydrogen react to form methane, which has one carbon atom.
157) H atom of phenolic hydroxyl in the ligand was attractive to N atom forming intramolecular hydrogen bond, and a new six-membered ring was formed by the hydrogen bond connection.
158) Hydroformylation of the olefinic double bonds was n atom economic method th introduce new functional group in the oil compounds.
159) The contents of calcium and phosphate in tibias were determined by chemical analysis and the trace elements were detected by atom absorption spectrophotometer.
160) Alloy atoms reactive with point defects result in stable atom groups which may hinder the polygonization and recovery.
161) The effect of quantum interference among many ionization channels on photo-ionization properties of an atom in a laser-induced continuum structure system is analyzed.
162) We study the classical dynamics of Rydberg hydrogen atom near a metal surface.
163) After hydrogen,(Sentencedict.com ) the atom with the simplest structure is that of helium.
164) Odorants such as acetophenone and deuterated acetophenone, for example, have the same molecular structure; one is just built from a slightly heavier hydrogen atom, known as deuterium.
165) At present determine the lead, the copper in food commonly used atom absorption law.
166) The crystal structure was determined by X ray single crystal diffraction, the structure is a distorted triangular bipyramid with five coordinated central tin atom.
167) It passes through the N atom and through the center of the equilateral triangle.
168) So why don't you tell me what the formal charge should be on the sulfur atom of thionyl chloride?
More similar words: tomato, symptom, stomach, customer, dichotomy, automatic, automobile, not to mention, automatically, atop, orator, potato, at once, operator, educator, senator, at one time, alligator, all at once, narrator, aleatory, predator, elevator, regulator, indicator, migratory, at other times, regulatory, in the heat of, laboratory.