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A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.

 

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Spectrum

Display of component wavelengths (colours) of electromagnetic radiation.

Alkynes

Unsaturated hydrocarbons that contain one or more carbon-carbon triple bonds.

Ioniztion

The breaking up of a compound into separate ions.

Mixture

A sample of matter composed of two or more substances, each of which retains its identity and properties.

Mother Nuclide

Nuclide that undergoes nuclear decay.

Base

A substance that produces OH (aq) ions in aqueous solution. Strong soluable bases are soluble in water and are completely dissociated. Weak bases ionize only slightly.

Indicators

For acid-base titrations, organic compounds that exhibit different colors in solutions of different acidities, used to determine the point at which reaction between two solutes is complete.

Catalyst

A substance that speeds up a chemical reaction without being consumed itself in the reaction.
A substance that alters (usually increases) the rate at which a reaction occurs.

Neutralization

The reaction of an acid with a base to form a salt and water. Usually, the reaction of hydrogen ions with hydrogen ions to form water molecules.

Resonance

The concept in which two or more equivalent dot formulas for the same arrangement of atoms (resonance structures) are necessary to describe the bonding in a molecule or ion.