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Refers to crystals having the same atomic arrangement.

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Coke

An impure form of carbon obtained by destructive distillation of coal or petroleum.

Colloid

A heterogeneous mixture in which solute-like particles do not settle out.

Debye

The unit used to express dipole moments.

Barometer

A device for measuring pressure.

Electrophile

Positively charged or electron-deficient.

Gangue

Sand, rock, and other impurities surrounding the mineral of interest in an ore.

Phase Diagram

Diagram that shows equilibrium temperature-pressure relationships for different phases of a substance.

Carbanion

An organic ion carrying a negative charge on a carbon atom.

Equivalent Weight

An oxidizing or reducing agent, who's mass gains (oxidizing agents) or loses (reducing agents) 6.022 x 1023 electrons in a redox reaction.
The mass of an acid or base that furnishes or reacts with 6.022 x 1023 H3O+ or OH- ions.

Ionic Compounds

Compounds containing predominantly ionic bonding.