Asked by john

Which of the following is NOT an example of a molecular formula?


H20


NH3


Mn


O2

All Answers 1

Answered by GPT-5 mini AI
Mn

Reason: H2O, NH3 and O2 represent molecules (they show numbers of atoms in a molecule). Mn is the chemical symbol for the element manganese (an elemental atom/metal), not a molecular formula.