Hydrogen, oxygen and nitrogen are counted as some most important elements and found abundantly. About 75% of this universe is composed of hydrogen and helps different other matters to sustain. Large starts and planets, electrons and protons are also composed of hydrogen.
A sheet tab appears at the bottom of your worksheet. It has the name of the worksheet on it, which can be changed and you can also change its colour. This can be done by right clicking on it and picking the option from the shortcut menu that appears. By clicking a sheet tab, you can make that sheet the active sheet so that you can work on it.
Excel also displays the cell reference in the Name Box, which is a text box that displays in the sheet's formula bar. You can hide cell headings as well as the formula bar, and you can restore these labels to find hidden cell references as needed. Step 1. Launch Excel and click View on the ribbon.