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Integral number of protons in the nucleus, defines the identity of element.
 

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Nuclide Symbol

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.

Photochemical Oxidants

Photochemically produced oxidizing agents capable of causing damage to plants and animals.

Dispersed Phase

The solute-like species in a colloid.

Periodic Table of Elements

An arrangement of elements in order of increasing atomic numbers that also emphasizes periodicity.

Cyclotron

A device for accelerating charged particles along a spiral path.

Heat

A form of energy that flows between two samples of matter because of their differences in temperature.

Nuclear Fission

The process in which a heavy nucleus splits into nuclei of intermediate masses and one or more protons are emitted.

Binary Compound

A compound consisting of two elements, may be ionic or covalent.

Activity Series

A listing of metals (and hydrogen) in order of decreasing activity.

Percentage Ionization

The percentage of the weak electrolyte that ionizes in a solution of given concentration.