Hydrogen
The smallest unit of a substance that has the properties would be either an atom, or more probably a molecule. An atom does not ordinarily exist by itself in nature.
the smallest piece of an element is called an atom
The smallest atom is hydrogen.
neutron :)
The atom that is smallest in size is the hydrogen atom.
atom- an atom is the smallest unit of matter. the atom helped scientists name and classify objects into groups.
is the smallest particle of an element that has the properties of that element
A quark is the smallest particle in matter.
atom
A carbon atom.
yes the smallest atom is hydrogen
The smallest atom is hydrogen.