Man-made elements are made in a particle accelerator.
Examples of man made elements: curium, californium, bohrium, mendelevium, nobelium etc.
The 26 transuranic elements (elements with atomic numbers higher than 92) are man-made. Some lists also count technetium (element 43) as man-made as well. --------------- Now (January 2013) 97 chemical elements are considered as natural and 21 as man made.
Mined diamonds are elements -- minerals. Man-made diamonds can be fabricated out of carbon.
The 5 man made elements of light is xenon,krypton,argon,neon,and helium.
Up to uranium elements are made by stellar nuclear synthesis; after uranium elements are man made.
Yes, they are true chemical elements but man made.
Out of the 112 elements known, 90 are found in nature and the rest (22 are man made).
Transuranium Elements
All the existing elements are natural the man made elements are rare and have a very short life.
Potassium is one of the elements.
112 Elements ( 92 Natural and 20 Man-made ) .
Man-made elements are created by humans through nuclear reactions, while synthetic elements are created in a laboratory by combining natural elements. The presence of man-made elements on Earth is a result of nuclear testing or accidents. Synthetic elements are not found naturally on Earth and must be produced in a controlled environment.