Assertion: atom | /r/HasProperty | basic unit of matter
Facets:
Source sentences:
text: It is a basic unit of matter, consisting of a nucleus and electrons (negatively charged particles) that are found in orbits around it.
text: Atoms are the basic units of matter and the defining structure of elements.
text: Atoms represent the smallest pieces of matter with constant properties, and are referred to as the basic unit of matter.
text: The atom is the basic unit of matter.
text: An atom is the basic unit of matter.
text: Atoms being the basic unit of matter was conceptualized way back in 500 BC when it was suggested by Greek philosopher Leucippus and his pupil Democritus.