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Symbol for an atom A/Z E, in which E is the symbol of an element, Z is its atomic number, and A is its mass number.

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Peroxide

A compound containing oxygen in the -1 oxidation state. Metal peroxides contain the peroxide ion, O22

Radiation

High energy particles or rays emitted during the nuclear decay processes.

Nodal Plane

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

 

Homogeneous Catalyst

A catalyst that exists in the same phase (solid, liquid or gas) as the reactants. The process is called Homogeneous Catalysis.

Nitric Acid

HNO3: A strong acid, it is toxic and can cause severe burns. Transparent colorless or yellowish, fuming, suffocating, caustic and corrosive liquid. Nitric acid boiling point is 83C. A 70 percent solution is used in the S.S.E. laboratory for junction depth measurements. Nitric acid is also present in the metal etch solution used for the Aluminum etch procedure.

Precipitate

An insoluble solid formed by mixing in solution the constituent ions of a slightly soluble solution.

Electrophoresis

A technique for separation of ions by rate and direction of migration in an electric field.

Heat of Condensation

The amount of heat that must be removed from one gram of a vapor at it's condensation point to condense the vapour with no change in temperature.

Inhibitory Catalyst

An inhibitor, a catalyst that decreases the rate of reaction.

Effective Molality

The sum of the molalities of all solute particles in a solution.