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A negative ion, an atom or goup of atoms that has gained one or more electrons.

 

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Metallic Bonding

Bonding within metals due to the electrical attraction of positively charges metal ions for mobile electrons that belong to the crystal as a whole.

Atomic Radius

Radius of an atom.

Salt and its use in everyday life

Cooking salt is a product that is available in every kitchen, and it’s not as simple as it seems. The history of this product shows that it was valued like gold.

Curie (Ci)

The basic unit used to describe the intensity of radioactivity in a sample of material. One curie equals 37 billion disintegrations per second or approximately the amount of radioactivty given off by 1 gram of radium.

Nernst Equation

Corrects standard electrode potentials for nonstandard conditions.

Carcinogen

A substance capable of causing or producing cancer in mammals.

 

Heteronuclear

Consisting of different elements.

Standard Electrode Potential

By convention, potential, Eo, of a half-reaction as a reduction relative to the standard hydrogen electrode when all species are present at unit activity.

 

Atomic Orbital

Region or volume in space in which the probability of finding electrons is highest.

Mass Number

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