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The mass of one formula unit of a substance in atomic mass units.

 

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Plasma

A physical state of matter which exists at extremely high temperatures in which all molecules are dissociated and most atoms are ionized.

Unsaturated Hydrocarbons

Hydrocarbons that contain double or triple carbon-carbon bonds.

Entropy

A thermodynamic state or property that measures the degree of disorder or randomness of a system.

Hund's Rule

All orbitals of a given sublevel must be occupied by single electrons before pairing begins.

Ferromagnetism

The ability of a substance to become permanently magnetized by exposure to an external magnetic field.

Nonbonding Orbital

A molecular orbital derived only from an atomic orbital of one atom, lends neither stability nor instability to a molecule or ion when populated with electrons.

Manometer

A two-armed barometer.

Hybridization

Mixing a set of atomic orbitals to form a new set of atomic orbitals with the same total electron capacity and with properties and energies intermediate between those of the original unhybridized orbitals.

Turning iron nail into copper nail

This simple chemical experiment shows the so-called process of copper plating of metal products. Copper has the ability to deposit on a metal surface.