Russian chemist Dmitri Ivanovich Mendeleyev.
elements chart
This question does not make sence. The periodic table is a chart of all of the elements know to man. All of these elements are composed of atoms (as is all matter).
Russian chemist Dmitri Mendeleev in 1869
The man-made elements will usually be found at the end of a modern periodic table. Look up periodic table in your search engine.
what is man machine chart?
Transuranium Elements
Naturally occurring and man made elements
As of January 27, 2008, there are 117 elements, and all of which can be found on the Periodic Table of Elements. See the link below for the Periodic Table of elements.
112 Elements ( 92 Natural and 20 Man-made ) .
There are 118 Elements on the periodic table including plutonium and all the man made stuff and the unknown stuff to (Unnamed).
Out of the 112 elements known, 90 are found in nature and the rest (22 are man made).
There are currently 118 elements in the periodic table, with 20 man-made and 88 (not 92) naturally-occurring elements. *Since 23rd October 2008.