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

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Hydration Energy

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

Ionization Isomers

Isomers that result from the interchange of ions inside and outside the coordination sphere.

Metal

An element below and to the left of the stepwise division (metalloids) in the upper right corner of the periodic table, about 80% of the known elements are metals.

Haber Process

A process for the catalyzed industrial production of ammonia from N2 and H2 at high temperature and pressure.

Outer Orbital Complex

Valence bond designation for a complex in which the metal ion utilizes d orbitals in the outermost (occupied) shell in hybridization.

Nodal Plane

A region in which the probability of finding an electron is zero.

 

ytterbium

A rare metallic element found in gadolinite and forming compounds resembling those of yttrium. Symbol: Yb, at. wt.: 173.04, at. no.: 70, sp. gr.: 6.96. Cf."rare-earth element."

 

Electrochemistry

Study of chemical changes produced by electrical current and the production of electricity by chemical reactions.

Alkali Metals

Metals of Group IA (Na, K, Rb).

Creating Malachite egg

One of the most interesting and obvious chemical experiments is the experiment on the interaction of copper sulfate and calcium carbonate. The latter is contained in the shell of a simple egg, but copper sulphate should be searched in a chemical reagent store. This experience is simple, but effective and visual, and as a result we will get something beautiful.