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A substance whose aqueous solutions do not conduct electricity.

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Henry's Law

The pressure of the gas above a solution is proportional to the concentration of the gas in the solution.

Ore

A natural deposit containing a mineral of an element to be extracted.

Clay

A class of silicate and aluminosilicate minerals with sheet-like structures that have enormous surface areas that can absorb large amounts of water.

Radioactivity

The spontaneous disintegration of atomic nuclei.

Condensation

Liquefaction of vapor.

Cell Potential

Potential difference, Ecell, between oxidation and reduction half-cells under nonstandard conditions.

 

Hydration Energy

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

Quantum Mechanics

Mathematical method of treating particles on the basis of quantum theory, which assumes that energy (of small particles) is not infinitely divisible.

Hydrogen Bond

A fairly strong dipole-dipole interaction (but still considerably weaker than the covalent or ionic bonds) between molecules containing hydrogen directly bonded to a small, highly electronegative atom, such as N, O, or F.

Alkaline Earth Metals

Group IIA metals