Last week, we explored the evolution of the periodic table, with all its elements in order. Now that we’re well-organized, let’s dive into the reasoning. * The table is generally sorted by the number ...

Early periodic tables were incomplete, since many elements were unknown. Also, some elements were placed in groups with elements that were not similar to them. Mendeleev left gaps in his table for ...

The UN is marking 2019 as the International Year of the Periodic Table of Chemical Elements. The table itself is widely considered to be one of the greatest scientific achievements in human history.

Scientists’ ideas about atoms have changed over time. Today, they agree that atoms have a positively-charged nucleus made of protons and neutrons, and negatively-charged electrons that orbit the ...

“To develop the scientific temper, humanism and the spirit of inquiry and reform.” These words were crafted in 1976 in an amendment to India’s constitution. The constitution’s writers rightly saw the ...

The Periodic Table highlights the Chalcogenide families of elements. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...