Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...

What are the units of molarity? The units of molarity are M or mol/L. A 1 M solution is said to be “one molar”. Two solutions that have the same molarity will have the same number of molecules of the ...

The term ‘weighted mean mass’ takes into account the different contribution of each isotope to the overall mass. Relative atomic mass is not the same as mass number. Mass numbers close mass ...

Mendeleev never received a Nobel Prize for his work, but element 101 was named Mendelevium after him, an even rarer distinction. It wasn’t until 1913, six years after Mendeleev’s death that the final ...

North Carolina State University scientists discovered that some of the Miky Way galaxy's oldest stars might produce elements with atomic masses greater than 260. According to a statement by the ...