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Periodic table of elements quiz: How many elements can you name in 10 minutes?
The periodic table of elements is a landmark categorization developed in 1869 by the Russian chemist and inventor Dmitri ...
TASS6 年
Russian scientists to synthesize 114th, 115th elements of Mendeleev’s Periodic Table
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 Mendeleev’s Periodic Table ...