February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different 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.

How do we calculate mass and atomic numbers? VideoHow do we calculate mass and atomic numbers? This video is an interactive lesson in calculating an atom's mass and atomic number.

There is a new exhibit at the University of Arizona Flandrau Science Center and Planetarium: Universe of Science. It features ...

1. Periodic Table as Arranged by Mendelejeff attention to the fact that “the eighth element, starting from a given one, is a kind of repetition of the first, like the eighth note of an octave in ...

The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...

Culture Quest What If You Ingested Every Element on the Periodic Table? Posted: January 21, 2025 | Last updated: January 21, 2025 "Culture Quest explores the world of pop culture, history and ...

Denzil was joined by fellow child scientist Sean the Science Kid, who taught Hudson about the periodic table. They also ...

I picked up Racing Green by Kit Chapman, which I really enjoyed! So when I was interested in picking up more nonfiction, Chapman's catalogue ...

Starbase provides STEM programming to underrepresented and underserved youth of Kansas. The program's funding is on hold because Congress has yet to approve its fiscal year 2025 budget.

Senate Bill 1 solves the nonexistent problem of conservative voices being suppressed and will inhibit learning, ultimately ...