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 ...
You may use table navigation commands for the screen reader of your choice. The Periodic Table of Elements. Each entry contains the atomic number, chemical symbol, and atomic mass to two decimal ...
Listen to the full series on BBC Sounds ... To make iodine line up with chlorine and bromine in his table, Mendeleev swapped the positions of iodine and tellurium.
The Dutch shipyard has designed a 246-foot superyacht in honor of its 75th anniversary. The newcomer has been christened C ...
These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these, 11 are essential elements that our bodies need in larger amounts: oxygen, carbon ...
The ions formed have a full outer electron shell, so are very stable. See the study guide on groups in the periodic table for more information.
Cui developed a tool to analyze genetic mutations in B cells—a type of immune cell that makes antibodies—from healthy ...
ruled against this name on the grounds that no element had ever been given the full name of a scientist. Instead they proposed bohrium, which became the officially recognised name in 1997. In the ...
Ion Battery Technology Starting in 2015, prices for lithium almost tripled to more than $20,000 a tonne in just ten months.
To download a pdf of this article, visit cenm.ag/planeair. References used to create this graphic: American Chemical Society. “When a Good Relationship Turns Toxic: Ozone on Airplanes.” ...
Every living organism uses tiny quantities of metals to carry out biological functions, including breathing, transcribing DNA, turning food into energy, or any number of essential life processes.