Covalent bond resulting from the sharing of two electrons (one pair) between two atoms.
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Combustible
Classification of liquid substances that will burn on the basis of flash points. A combustible liquid means any liquid having a flash point at or above 37.8°C (100°F) but below 93.3°C (200°F), except any mixture having components with flash points of 93.3°C (200°F) or higher, the total of which makes up 99 percent or more of the total volume of the mixture.
Paramagnetism
Attraction toward a magnetic field, stronger than diamagnetism, but still weak compared to ferromagnetism.
Homologous Series
A series of compounds in which each member differs from the next by a specific number and kind of atoms.
Electrochemistry
Study of chemical changes produced by electrical current and the production of electricity by chemical reactions.
Degenerate
Of the same energy.
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)
Phenol
Hydrocarbon derivative containing an [OH] group bound to an aromatic raing.
Actinides
Elements 89 to 103 (between lawrencium and actinium) on the periodic table. Only the first four have been found in nature in appreciable amounts. The remainder have been produced synthetically.
Law of Combining Volumes (Gay-Lussac's Law)
At constant temperature and pressure, the volumes of reacting gases (and any gaseous products) can be expressed as ratios of small whole numbers.
Deposition
The direct solidification of a vapor by cooling, the reverse of sublimation.
