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Electrode at which reduction occurs in a cathode ray tube, the negative electrode.

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Hydrophilic Colloids

Colloidal particles that repel water molecules.

Phosphorus Oxychloride

Colorless to slightly yellow fuming liquid.

Mol. Wt.: 153.39
M.P.: 20C
B.P.: 105.1C
Density: 1.685 @ 15.5C
Vapor Pressure: 40 mm @ 27.3C
Vapor Density: 5.3
Used as the phosphorus source for phosphorus diffusion.

What are Compound Microscopes?

Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses.

The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is the stage, with the illuminator below that.

Anode

In a cathode ray tube, the positive electrode. Electrode at which oxidation occurs.

Why do copper products change color, and what is the name of the process?

Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.

Insoluble Compound

A very slightly soluble compound.

Cathode

Electrode at which reduction occurs in a cathode ray tube, the negative electrode.

Electronic Transition

The transfer of an electron from one energy level to another.

Energy

The capacity to do work or transfer heat.

Octane Number

A number that indicates how smoothly a gasoline burns.