C&EN5mon
Periodic Table of Chemical Elements
The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...
Royal Society of Chemistry6y
Finding the periodic table
This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...
TASS6y
Mendeleev’s Periodic Table of Elements celebrates its 150th anniversary
At the middle of the 19th century, 63 chemical elements were known to science. Before Mendeleev’s discovery, attempts at arranging them in some logical way were made by Johann Doebereiner (1829 ...
TASS6y
Russian scientists to synthesize 114th, 115th elements of Mendeleev’s Periodic Table
PARIS, January 29. /TASS/. Russian scientists will hold the first experiments at the Super-Heavy Element Factory in Dubna near Moscow in April to synthesize the 114th and 115th elements of ...