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Monday, September 27, 2021

periodic table of chemistry

PERIODIC TABLE OF CHEMISTRY NEWS

Seventh row of periodic table now complete: 4 new elements added

January 04, 2016 4:18 pm

The IUPAC confirms discovery of four new superheavy elements to complete the seventh row of periodic table

Hyderabad mother of two writes Periodic Table in world record time

April 22, 2011 5:08 pm

Meenakshi Agrawal,has written 118 symbols in 91.65 seconds.