Element

[fundamental chemical units of which all matter at or above the atomic level is composed; each element is made up of atoms that are identical in number of electrons and protons and in nuclear charge, but may differ in mass or number of neutrons; such varieties of an element are isotopes. ( CSP )]

UMLS (NCI) C0013879

Element, Ion, or Isotope

Relation/PAR: Inorganic Chemical
Chemical

Relation/CHD: B
C element
gas element
halogen
H element
metal
N element
O
[TN408] PHOSPHORUS
radioisotope
Se
Si element
S element
Micronutrient
stable isotope
C element
Elements, radioactive
gas element
halogen
alkali metal
alkaline earth metal
Metals, Rare Earth
N element
[TN408] PHOSPHORUS
Micronutrient
Chalcogens
heavy metal
Metals, Light

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