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The discovery (synthesis) of a new element has become a very complicated matter because it now requires the intricate equipment of nuclear physics and because the number of atoms prepared is often extremely small. The very short half-life of many of the isotopes poses still further problems of experimentation. There has been considerable discussion and some disagreement concerning the discovery of the transfermium elements. Moreover the discoverers are often interested in proposing names for the new elements they have synthesised

Criteria that must be satisfied for the discovery of a new chemical element to be recognized