Some believe chemical properties should dictate how the elements line up on the periodic table. Others think a more fundamental principle is needed, like electronic configuration or simply atomic ...

A longstanding mystery of the periodic table involves a group of unique elements called lanthanides. Also known as rare earth ...

Material properties change at high pressure. Scientists can generate pressures millions of times above ambient pressure and, in doing so, have found near-room-temperature superconductors ...

Substances have both physical and chemical properties. ... More on Periodic table. Find out more by working through a topic. Developing the periodic table . count. 2 of 6. The modern periodic table .

Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is homogeneous or heterogeneous. Students will apply tests, ... This combination of letters ...

The researchers characterized the physical properties of 26 bunker sands from across the United States (see Table 1 in the USGA article “Physical Analysis of Sands for Golf Course Bunker Use”). Medium ...

Scientist propose reordering the 150-year-old periodic table to easily identify materials with useful properties and put an end to longstanding debates of certain elements ...

On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table .