technetium was the first artificial produced element in the periodic table.
technetium was the first artificial produced element in the periodic table.
which is the first artificial produced element in the periodic table?
technetium
bullet::::- 1935:wallace carothers leads a team of chemists at dupont who invent nylon, one of the most commercially successful synthetic polymers in history.









































bullet::::- 1937:carlo perrier and emilio segrè perform the first confirmed synthesis of technetium-97, the first artificially produced element, filling a gap in the periodic table. though disputed, the element may have been synthesized as early as 1925 by walter noddack and others.









































bullet::::- 1937:eugene houdry develops a method of industrial scale catalytic cracking of petroleum, leading to the development of the first modern oil refinery.
timeline of chemistry
list of periodic table-related articles









































section::::list of articles related to periodic table.









































bullet::::- periodic table









































bullet::::- extended periodic table









































bullet::::- extended periodic table (large version)









































bullet::::- alternative periodic tables









































bullet::::- periodic table (electron configurations)









































bullet::::- periodic table (metals and non-metals)









































bullet::::- periodic table (crystal structure)









































bullet::::- periods









































bullet::::- period 1, period 2, period 3, period 4, period 5, period 6, period 7, period 8









































bullet::::- blocks









































bullet::::- s-block, p-block, d-block, f-block, g-block









































bullet::::- groups
list of periodic table-related articles