How To Type SO2 In Word document in text and chemical equation using the subscript option is shown in the video. You can also make use of the Subscript keyboard shortcut (CTRL + = ) to write Sulfur Dioxide symbol
0:00 Whats in Video
0:11 Subscript method
0:42 How to write so2 in Word shortcut key
0:56 Subscript in Chemical Equation

Similarly, you can also type other chemical symbols like CO2, Na2CO2, O2, CaCl2, O3, etc.