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The sum of the numbers of protons and neutrons in an atom, an integer.

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Cyclotron

A device for accelerating charged particles along a spiral path.

xenon trioxide

A colorless, nonvolatile solid, XeO3, explosive when dry: in solution it is called xenic acid.

Binary Acid

A binary compound in which H is bonded to one or more of the more electronegative nonmetals.

Supersaturated Solution

A solution that contains a higher than saturation concentration of solute, slight disturbance or seeding causes crystallization of excess solute.

Electronegativity

A measure of the relative tendency of an atom to attract electrons to itself when chemically combined with another atom.

Oxidizing Agent

The substance that oxidizes another substance and is reduced.

Eluant or eluent

The solvent used in the process of elution, as in liquid chromatography.

 

Yellowcake

The solid form of mixed uranium oxide, which is produced from uranium ore in the uranium recovery (milling) process.

Salinometer

An instrument for measuring the amount of salt in a solution. Also,"salimeter, salometer."

Lewis Dot Formula (Electron Dot Formula)

Representation of the core of a molecule, ion or formula unit by showing atomic symbols and only outer shell electrons.