To type chemical formulas and reaction arrows in Microsoft Word, use the built-in equation editor for editable notation or apply subscript and superscript formatting in ordinary text. This guide explains Hâ‚‚O, ionic charges, forward and equilibrium arrows, and reaction conditions above or below an arrow. Start with Word’s equation editor In Word for Windows, press Alt+= or choose Insert > Equation. In an equation, type H_2 followed by Space to… Read More »How to Type Chemical Equations and Reaction Arrows in Word