Which is right regarding atoms? a) atoms can be broken down by chemical reactions. b) every atom of an element is identical c) atoms can join form a new substnace d) atoms are not formed of smaller particles i think it is a, but i am not 100% sure.

Analyse all four

A) Atoms are the simplest unit of matter they cannot be broken down.

B) Every element has its unique atom with different number of Proton,Neutron and electrons

C) Atoms can join together but element (not atoms) can join together to make new substances

D) Atoms are considered as particles thus they cannot be formed out of particles. Which is true.

The correct answer is D