Technetium is placed in the group 7 (manganese group) and period 5 of the periodic table of Mendeleev.
technetium (Te)
Technetium is in the group 7, period 5 of the periodic table.
Technetium is found in both in a compound and pure forms
Technetium is not a naturally-occurring element; it was created in a laboratory.
Technetium is a man made element; natural technetium exist only in ultra traces in uranium deposits.
Nickel is a natural element and technetium is an artificial element.For example technetium is placed in the group 7 and period 5 of the periodic table and nickel is placed in the group 10 and period 4 of the table.
The element technetium is a transitional metal. A link is provided to the Wikipedia article on technetium.
Technetium is placed in the group 7 (manganese group) of the periodic table.
No, Technetium does no occur naturally on earth except in trace amounts in molybdenum deposits.
Technetium exist in infinitesimal traces in some uranium ores. Being radioactive and unstable technetium was lost from the Earth by decay.
Emilio G. Serge