KEY TO THE DATA

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" height=56 BGCOLOR="#006699" TEXT="#080000"> <div> <FONT SIZE="3" COLOR="#FFFFFF" FACE="Arial" ><B>      </B><B>ATOMIC ELEMENTS</B></FONT><FONT SIZE="1" COLOR="#FFFFCC" FACE="Arial" ><B> </B></FONT><FONT SIZE="1" COLOR="#006699" FACE="Arial" > | </FONT>  <A HREF="index.htm" TARGET="_top" TITLE="ATOMIC ELEMENTS"><U>TO THE PERIODIC TABLE</U></A>  </div> <div> <B>        </B><B>KEY TO THE DATA</B><B>   |   </B><A HREF="iupac_approvals.htm" TARGET="_top" TITLE="ATOMIC WEIGHTS"><U>ATOMIC WEIGHTS</U></A><B>   |   </B><A HREF="periodic_table_posters.htm" TARGET="_top" TITLE="Periodic Table Posters"><U>Periodic Table Posters</U></A>  | </div> </td> </tr><tr> <td valign="top" height=424 BGCOLOR="#66CCCC" TEXT="#080000"> <bR> <div> <TABLE BORDER="0" CELLPADDING="4" CELLSPACING="1" WIDTH="746" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="BOX" RULES="ALL" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP COLSPAN=2 HEIGHT= 244 ><NOBR><div> <IMG SRC="ce7dcef0.gif" border=0 width="732" height="239" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> </NOBR></tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 136 ><NOBR><div>                                    YOU CAN LEARN</div> <div>     HOW TO USE THE METRIC ATOMIC WEIGHTS,</div> <div>     IN THE BEGINNERS,  CHEMISTRY LESSON</div> <div>     HOW TO MAKE BALANCED, </div> <div>     CHEMICAL CHANGE EQUATIONS, THAT INCLUDES,</div> <div>      <A HREF="http://www.chemistry-school.info" TARGET="_top" TITLE="http://www.chemistry-school.info"><U>AN INTRODUCTION TO METRIC ATOMIC WEIGHTS</U></A> </div> </NOBR></tD> <tD VALIGN=TOP><NOBR><div>            EXACT QUANTITY, COMPLETE MOLECULAR FORMULAS,</div> <div>  HELP US, TO ANALYZE & WEIGH CHEMICALS WITH COMPUTERS,</div> <div>  HERE ARE THE TWO FORMULAS FOR HEXA-CYCLO PROPYNE.</div> <div> <TABLE BORDER="1" CELLPADDING="2" CELLSPACING="0" WIDTH="387" BORDERCOLORLIGHT="#663366" BORDERCOLORDARK="#663366" FRAME="BOX" RULES="ALL" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 15 ><NOBR><div>  THE RATIO FORMULA </div> </NOBR></tD> <tD VALIGN=TOP><NOBR><div> THE COMPLETE MOLECULAR FORMULA</div> </NOBR></tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 19 WIDTH="141"><div> <B> 6 (C</B><FONT SIZE="1" COLOR="#660000" FACE="Arial" ><B>3</B></FONT><B>H</B><FONT SIZE="1" COLOR="#660000" FACE="Arial" ><B>4</B></FONT><B>)   </B></div> </tD> <tD VALIGN=TOP WIDTH="232"><div> <B>18.CBN+24.HDR</B></div> </tD> </tR> </TABLE></div> <bR> </NOBR></tD> </tR> </TABLE></div> <bR> <bR> </td> </tr></table></body>