Definition of Atomic number 84

1. Noun. A radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor.

Exact synonyms: Po, Polonium
Generic synonyms: Metal, Metallic Element



Atomic Number 84 Pictures

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Lexicographical Neighbors of Atomic Number 84

atomic number 70
atomic number 71
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 (current term)
atomic number 85
atomic number 86
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

Literary usage of Atomic number 84

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

1. Science by American Association for the Advancement of Science (1915)
"... it loses a ß-particle and becomes Ra-E with atomic number 83; this loses another /î-particle and becomes Ra-F with atomic number 84; this finally loses ..."

2. Within the Atom: A Popular View of Electrons and Quanta by John Mills (1921)
"In a similar manner when an atom of niton loses an alpha particle it becomes isotopic with all other systems of atomic number 84. ..."

3. Professional Paper by Geological Survey (U.S.) (1922)
"That product of radioactivity has a period of only 10~* second; it comes into existence, pays a flying call on atomic number 84, ..."

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