Assertion: ion's number | /r/Synonym | atomic number
Facets:
value: in chemistry
type: OTHER
Source sentences:
text: In chemistry, the number of protons in the nucleus of an atom is known as the atomic number, which determines the chemical element to which the atom belongs.
text: The number of protons in the nucleus is the defining property of an element, and is referred to as the atomic number (represented by the symbol Z).