C&EN8 个月
Chemistry Education Resources on the Periodic Table
The Periodic Table is an amazing chemistry tool that is organized with elements in order of increasing atomic number. The properties of the element change as you move across the row, but are similar ...
Royal Society of Chemistry1 年
Development of the periodic table
Meyer did contribute to the development of the periodic table in another way though. He was the first person to recognise the periodic trends in the properties of elements, and the graph shows the ...
C&EN3 个月
Periodic Table of Chemical Elements
The periodic table’s arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and atomic radius. Many scientists worked on the ...
BBC3 年
Developing the periodic table
Today we know there are 118 elements, all which can be found on the modern periodic table. The element germanium was discovered in 1886. Its properties were similar to the predicted ones of ...
BBC3 年
Developing the periodic table
Today we know there are 118 elements, all which can be found on the modern periodic table. The element germanium was discovered in 1886. Its properties were similar to the predicted ones of ...