<P> In chemistry , a synthetic element is a chemical element that does not occur naturally on Earth , and can only be created artificially . So far , 24 synthetic elements have been created ( those with atomic numbers 95 -- 118 ) . All are unstable , decaying with half - lives ranging from 15.6 million years to a few hundred microseconds . </P>
<P> In chemistry , a synthetic element is a chemical element that does not occur naturally on Earth , and can only be created artificially . So far , 24 synthetic elements have been created ( those with atomic numbers 95 -- 118 ) . All are unstable , decaying with half - lives ranging from 15.6 million years to a few hundred microseconds . </P>
how many artificial elements are in the periodic table
how many artificial elements are in the periodic table
24
24