Definition of Atomic number 86

1. Noun. A radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health.

Exact synonyms: Radon, Rn
Generic synonyms: Chemical Element, Element, Argonon, Inert Gas, Noble Gas

Lexicographical Neighbors of Atomic Number 86

atomic number 72
atomic number 73
atomic number 74
atomic number 75
atomic number 76
atomic number 77
atomic number 78
atomic number 79
atomic number 8
atomic number 80
atomic number 81
atomic number 82
atomic number 83
atomic number 84
atomic number 85
atomic number 86 (current term)
atomic number 87
atomic number 88
atomic number 89
atomic number 9
atomic number 90
atomic number 91
atomic number 92
atomic number 93
atomic number 94
atomic number 95
atomic number 96
atomic number 97
atomic number 98
atomic number 99

Literary usage of Atomic number 86

Below you will find example usage of this term as found in modern and/or classical literature:

1. Within the Atom: A Popular View of Electrons and Quanta by John Mills (1921)
"An inert gas of atomic number 86. NUCLEUS One or more protons associated with electrons in a compact group central to an atomic system. ..."

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