Definition of Atomic number 20

1. Noun. A white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals.

Exact synonyms: Ca, Calcium
Generic synonyms: Metal, Metallic Element
Substance meronyms: Fluor, Fluorite, Fluorspar, Gypsum, Burnt Lime, Calcined Lime, Calcium Oxide, Calx, Fluxing Lime, Lime, Quicklime, Unslaked Lime, Limestone
Specialized synonyms: Calcium Ion, Factor Iv
Derivative terms: Calcify, Calcify, Calcify

Lexicographical Neighbors of Atomic Number 20

atomic number 103
atomic number 104
atomic number 105
atomic number 106
atomic number 107
atomic number 11
atomic number 12
atomic number 13
atomic number 14
atomic number 15
atomic number 16
atomic number 17
atomic number 18
atomic number 19
atomic number 2
atomic number 20 (current term)
atomic number 21
atomic number 22
atomic number 23
atomic number 24
atomic number 25
atomic number 26
atomic number 27
atomic number 28
atomic number 29
atomic number 3
atomic number 30
atomic number 31
atomic number 32
atomic number 33

Literary usage of Atomic number 20

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

1. Evaluation of Speciation Technology: Workshop Proceedings, Tokai-mura by OECD Nuclear Energy Agency (2001)
"... the selected values for the first hydrolysis constants of actinide ions are plotted as a function of the atomic number [20]. In spite of some scatters, ..."

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