Question

in chemical equations oxygen is represented as O2 but not O and chlorine is represented as cl2 but not CL why​

Answer 1

Answer:

Explanation:

Chlorine and oxygen does not exist in nature in free form

They are present in combined molecutla state

Answer 2

Answer:

o is the atom. O2 is the molecule.

Explanation:

cl is the chlorine atom. Cl2 is the chlorine molecule. Whenever you write a chemical equation, you need to write the complete molecular formula...