The HTML code is<html><body><table cell padding = '10'cell spacing='0' border='l'><tr align = 'center'><th>Periodl</th><th >Period2 </th ></tr><tr align = 'center'><td>Math</td><td>Science</td></tr><tr align='center'><td>English</td><td>SST</td></tr><tr align='center'><td> Science< /td ><td>SST</td></tr></table></body></html>