Four man-made elements?

Question

what are the four man-made elements??

thanks..

Answer 1

There are more than 4

technetium (Tc), 43

promethium (Pm), 61

neptunium (Np), 93

plutonium (Pu), 94

americium (Am), 95

curium (Cm), 96

berkelium (Bk), 97

californium (Cf), 98

einsteinium (Es), 99

fermium (Fm), 100

mendelevium (Md), 101

nobelium (No), 102

lawrencium (Lr), 103

unnilquadium (Unq), 104

unnilpentium (Unp), 105

unnilhexium (Unh), 106

unnilseptium (Uns), 107

unniloctium (Uno), 108

unnilennium (Une), 109

unununium (Uun), 110  

Answer 2

I assume you are speaking of chemical elements. There are many more than four. Californium, nobelium, lawrencium, mendelevium, americium, curium, einsteinium, etc.