Periodic table dialog
     
        
How to draw an atom via the Periodic table
-     Open the Periodic table dialog by clicking on the Periodic table button on the Atoms Toolbar. 
-     Click the atom button you would like to choose. 
-     The dialog closes and the selected atom appears on the tip of the mouse cursor. 
-     Put the atoms on the desired place by clicking on the canvas as many times as it is needed. 
How to set an Atom list
-     Choose the Atom list button on the lower left corner in the Periodic table dialog. 
-     The selected button is indicated by green, and an OK button appears on the bottom of the dialog. 
-     Select the atoms you would like to have in your list. The selected atoms are indicated in grey. 
-     Click OK. 
-     The dialog closes and selected elements of the atom list appear on the tip of the mouse cursor.