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.
Cheat Sheet. Excel 2010 Workbook For Dummies Cheat Sheet. As an integral part of the Ribbon interface used by all the major apps in Microsoft Office 2010, Excel gives you access to hot key sequences that, for all of you keyboard enthusiasts, can greatly speed up the process of selecting program commands.