Question

define atoms on the basis of their existence ​

Answer 1

Answer:

atoms are the tiniest particles in any object . atoms group together to form molecules and molecule group together to form the object . atoms are further made up of sub atomic particles such as protons , neutrons etc . atoms can neither be created nor be destroyed .

hope this helps .

Answer 2

Answer:

An atom is the smallest possible amount associated with a chemical element. For example, an atom of gold can be called as the smallest quantity of gold you can feasibly have. The word 'small' literally points out to nanoscopically tiny! An atom is thousands of time smaller than the human hair.