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The ability of a substance to be broken down into simpler substances by bacteria.

 

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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.

Alcohol

Hydrocarbon derivative containing an --OH group attached to a carbon atom not in an aromatic ring. Alcohols are a class of organic compounds containing the hydroxyl group, OH, attached to a carbon atom.

Chemistry of the sky

Chemistry can teach us about the composition of celestial bodies and determine their age.

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.

Osmotic Pressure

The hydrostatic pressure produced on the surface of a semipermable membrane by osmosis.

Barometer

A device for measuring pressure.

Binary Acid

A binary compound in which H is bonded to one or more of the more electronegative nonmetals.

Enantiomer

One of the two mirror-image forms of an optically active molecule.

Amphoterism

The ability to react with both acids and bases.Ability of substance to act as either an acid or a base.

Saccharate

A compound formed by interaction of sucrose with a metallic oxide, usually lime, and useful in the purification of sugar.