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Compartment in which the oxidation or reduction half-reaction occurs in a voltaic cell.

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Nodal Plane

A region in which the probability of finding an electron is zero.

 

Metallurgy

Refers to the overall processes by which metals are extracted from ores.

Complex Ions

Ions resulting from the formation of coordinate covalent bonds between simple ions and other ions or molecules.

Shielding Effect

Electrons in filled sets of s , p orbitals between the nucleus and outer shell electrons shield the outer shell electrons somewhat from the effect of protons in the nucleus, also called screening effect.

Coordinate Covalent Bond

A covalent bond in which both shared electrons are donated by the same atom, a bond between a Lewis base and a Lewis acid.

Associated Ions

Short-lived species formed by the collision of dissolved ions of opposite charges.

Law of Conservation of Matter and Energy

The total amount of matter and energy available in the universe is fixed.

Supersaturated Solution

A solution that contains a higher than saturation concentration of solute, slight disturbance or seeding causes crystallization of excess solute.

Proton

A subatomic particle having a mass of 1.0073 amu and a charge of +1, found in thew nuclei of atoms.

Explosive limits

The range of concentrations over which a flammable vapour mixed with proper ratios of air will ignite or explode if a source of ignitions is provided.