which elements are man made on the periodic table?
['Technetium (Atomic Number 43) ... ', 'Promethium (Atomic Number 61) ... ', 'Neptunium & Plutonium (Atomic Numbers 93 and 94) ... ', 'Fermium (Atomic Number 100) ... ', 'Americium (Atomic Number 95) ... ', 'Californium (Atomic Number 98) ... ', 'Seaborgium (Atomic Number 106) ... ', 'Darmstadtium (Atomic Number 110)']