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A subatomic particle having a mass of 1.0073 amu and a charge of +1, found in thew nuclei of atoms.

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Copper

Discovered : known to ancient civilisations
Origin : The name is derived from 'Cuprum', the Latin name for Cyprus.

Nitric Acid

HNO3: A strong acid, it is toxic and can cause severe burns. Transparent colorless or yellowish, fuming, suffocating, caustic and corrosive liquid. Nitric acid boiling point is 83C. A 70 percent solution is used in the S.S.E. laboratory for junction depth measurements. Nitric acid is also present in the metal etch solution used for the Aluminum etch procedure.

Adsorption

Adhesion of a species onto the surfaces of particles.

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EDF Chemical Scoreboard - Toxic Release Inventory data for the US. Sources and amounts of toxic chemicals released to air and water. Also has information on health effects and other topics.
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Ternary Compound

A compound consisting of three elements, may be ionic or covalent.

Adhesive Forces

Forces of attraction between a liquid and another surface.

Solvent

The dispersing medium of a solution.

Band Theory of Metals

Theory that accounts for the bonding and properties of metallic solids.

Sigma Bonds

Bonds resulting from the head-on overlap of atomic orbitals, in which the region of electron sharing is along and (cylindrically) symmetrical to the imaginary line connecting the bonded atoms.

Pairing

A favourable interaction of two electrons with opposite m , values in the same orbital.