ionized atom


Also found in: Medical.

ionized atom

[′ī·ə‚nīzd ′ad·əm]
(chemistry)
An atom with an excess or deficiency of electrons, so that it has a net charge.
References in periodicals archive ?
On the brink of permanently liberating its kidnapped cargo and leaving behind an ionized atom short one electron, the laser's throbbing electric field cleanly reverses direction.
Gamma-ray bursts are the ideal tools to study the transition from a dark universe filled with neutral hydrogen atoms to a shining cosmos containing an abundance of ionized atoms, says Loeb.
Using a satellite called IMAGE (Imager for Magnetopause-to-Aurora Global Exploration), researchers for the first time obtained images of the sun pumping material into its plasma sheet, which is made of highly ionized atoms and pierces Earth's magnetic field.
In turn, that outsurge of negative particles pulled along, by electrostatic attraction, the positively charged ionized atoms that had been created by the cascade of electron liberation.
Rather, X rays from the sun induce the Venusian emissions when they bombard the planet's upper atmosphere and are absorbed by ionized atoms.
Therefore, the ionized atoms do not emit X rays when they fall onto the disk of matter circling the central black hole.
Recent SOHO measurements reveal that ionized atoms in some parts of the corona reach velocities greater than 200 kilometers per second.
Both the ionized atoms and the electrons would then impart a charge to lunar dust particles.
If particular ionized atoms emit the X-rays, they will produce a telltale set of peaks and valleys in the spectrum recorded by DXS.
Laboratory experiments had previously demonstrated that energetic radiation strips electrons from atoms in a gas, permitting these ionized atoms to conduct electricity.
The supernova's shock wave proved energetic enough to strip five of eight electrons from atomic oxygen gas and induced these ionized atoms to emit the ultraviolet light detected by HUT, reports Arthur F.