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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.

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Equivalence Point

The point at which chemically equivalent amounts of reactants have reacted.

Ostwald Process

A process for the industrial production of nitrogen oxide and nitric acid from ammonia and oxygen.

Oxide

A binary compound of oxygen.

Chemical Hygiene Officer (CHO)

A person or employee who is qualified by training or experience to provide technical guidance in the development and implementations of the provisions of a Chemical Hygiene Plan (CHP)

Calorie

The amount of heat required to raise the temperature of one gram of water from 14.5°C to 15.5°C. 1 calorie = 4.184 joules.

Cyclotron

A device for accelerating charged particles along a spiral path.

Viscosity

Resistance offered by the molecules of a liquid to flow is termed as viscosity.

Binary Acid

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

Geiger counter

A gas filled tube which discharges electriaclly when ionizing radiation passes through it.

Functional Group

A group of atoms that represents a potential reaction site in an organic compound.