Subscript letters one by one with Format Cells function
In Excel, you can subscript letters by applying Format Cells function.
1. Double click at the chemical formula cell you need, and then select one number that you want to subscript, see screenshot:
2. Then right click to select Format Cells from the displayed context menu, and in the Format Cells dialog, check Subscript under the Effects section. See screenshot:
3. Click OK. Now the selected number is subscripted.
To repeat above steps to subscript the discontinuous numbers one by one.
Subscript all numbers in a cell/range once with Kutools for Excel
If you have multiple numbers needed to be subscripted in chemical formulas, the above method must waste time and tedious. But do not worry, Kutools for Excel’s Subscript Numbers in Chemical Formulas utility can quickly subscript all numbers in the selected cells.
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