By the periodic table’s logic, all d-block elements should have filled s orbitals. But copper defies that logic. It should have the electron configuration [Ar] 3d 9 4s 2.

A fun new visualization of the Periodic Table we're all familiar with from high school can help teach how we each element from the periodic table. ... (since it's a building-block of life), ...

This year marks the 150th anniversary of the Periodic Table, and the principles that drove Dmitri Mendeleev to construct his table are still influencing today's research advances.

Exploring the Building Blocks of Matter: Atoms, Elements & the Periodic Table. Posted: March 8, 2025 | Last updated: March 19, 2025. The film explains the fundamental concepts of matter, focusing ...

Since Mendeleev's time, scientists have discovered new elements, expanding the periodic table. The most recent additions include nihonium, moscovium, tennessine, and oganesson, which were officially ...

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 ...