Question

particles of an element consist of only one type of atom. these particles may exist as atom or molecules.

what is the meaning of the above statements??

Answer 1

This means that all the elements are made up of atoms. Atoms are the smallest unit. Elements may exist as atom or in combined state called molecules

Answer 2

elements are made of same kind of constiuent particles called atoms.

when atoms of same elements combine it forms a molecule as it cannot be stable at the level of atom.

ex- sodium constituent particles are Na atom and not Na2

nitrogen gas is N2 molecules not N atoms