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 ...

Even the color of blood comes from the protein hemoglobin ... creates those colors using an endless variety of complex structures made with the elements in the periodic table.

Well it's actually quite elemental—The Periodic Table of the Elements, that is. The whiz, bang, pop, and color are all possible by combining the most basic substances of which we know ...

Spraying Windex onto the samples produces a color that depends on the metal residing in ... As part of the ChemClub's 10 th Anniversary, we asked clubs to create elements of the periodic table ...

That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract ... as well as optical properties (like color). Chemists have come up with ...

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.