Americium is made in either a fission reactor or an accelerator.
Americium is an artificial chemical element, man made !
copper is a naturally occuring element
There are 118 elements contemporarily found on the periodical table of elements. Some tables show Technetium, Radon, Neptunium, Plutonium, Americium, Curium, Berkelium, and Californium as naturally occuring elements. This is because some scientists claim to have found these elements in samples of Uranium. Honestly, I cannot inform you on how many there are, but I can tell you there are 29-20 man-made elements.
Rhenium is both man made and found naturally. Natural rhenium deposits are found in Arizona and Utah.
A rock that is found in naturally and hasn't been made by man (man-made).
no it is man made in china and other ciuntries such as japan england and packastan
it is naturally found
Americium is an artificial chemical element, man made !
copper is a naturally occuring element
antimony is found naturally
Phosphorus is naturally occurring. It is found in rocks
Well including uranium and a few others that are commonly man-made but are actually natural there are about 92. After and including Americium they are man-made and named for places or people, for example 99 is Einsteinium.
Chlorine is found naturally. i think. this is not a credible website.
Resources that are found naturally and not man-made
It is not know to be naturally produced but is rather an man-made chemical synthesised in labs.
It is made from clay found naturally. Heated up into the shape of a pot.
Solar panels are not found in nature naturally it is made by a polish chemist.