Assertion: atom | /r/HasProperty | unique
Facets:
Source sentences:
text: Dalton maintained that matter is composed of small, indivisible particles, that the particles, or atoms, of each element were unique, and that chemical reactions were involved in rearranging atoms to form new substances.
text: Dalton maintained that matter is composed of small, indivisible particles, that the particles, or atoms, of each element were unique, and that chemical reactions were involved in rearranging atoms to form new substances.
text: A sample of any given pure element is composed only of the atoms characteristic of that element, and the atoms of each element are unique.