Trends on the Periodic Table: Students learn to describe the pattern in atomic number, atomic mass, atomic radius, ionization energy, and electron affinity as they look across a period and down a ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Classroom and educational resources to engage students ages 15–18 with the periodic table.

The periodic table may excite some terrifying others. But this unique take on the table from a Seattle-based designer looks like fun for everyone, its fun design and interactive features showing ...

“The periodic table is supposed to tell you what the chemical trends are,” LBNL’s Pore says. For heavier elements, in which relativistic effects start to rule, that’s not necessarily true.

Inspired by the periodic table, this infographic aims to educate college students about the drinks they're imbibing.

Astronomers have created a useful tool to categorize the thousands of distant exoplanets we've discovered so far.

By Ashley R. Williams, CNN (CNN) — Recent high school graduate Suborno Isaac Bari, 12, plans to start studying math and physics at New York University in the fall, but he’s already got his ...

How to fill a gap in scientific knowledge For years, there had been a single square in the seventh row of the periodic table of elements that scientists struggled to fill.