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The energy change accompanying the hydration of a mole of gase and ions.

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Gel

Colloidal suspension of a solid dispersed in a liquid, a semirigid solid.

Percentage Ionization

The percentage of the weak electrolyte that ionizes in a solution of given concentration.

Radioactive Tracer

A small amount of radioisotope replacing a nonradioactive isotope of the element in a compound whose path (for example, in the body) or whose decomposition products are to be monitored by detection of radioctivity, also called a radioactive label.

Accuracy

How closely a measured value agrees with the correct value.

Hydration Energy

The energy change accompanying the hydration of a mole of gase and ions.

Handmade crystal glass as a work of art

In order for the colored crystal to open in all its beauty and sparkle with every face natural light is required. Handmade crystal glass has specific tactile and aesthetic properties - it is pleasant to touch, it seems to radiate heat. To appreciate the quality and beauty of such things, of course, it is not enough to look at the picture.

Homonuclear

Consisting of only one element.

Sigma Orbital

Molecular orbital resulting from head-on overlap of two atomic orbitals.

Alkaline Battery

A dry cell in which the electrolyte contains KOH.

Salicylate

A salt or ester of salicylic acid.