<em>Elements 1 to 112, Hydrogen to Ununbium are known, with Ununbium only been discovered in 1996. Elements 114, 116 and 118 have also been discovered more recently, bringing the total to </em><em>115</em><em> known elements. Note that Elements 113,</em><em>115 </em><em>and 117 have not yet been discovered</em>
