Periodic Table Chemistry: Get here the complete information on the periodic table of elements along with the easy tricks to remember their names. Check who invented the modern periodic table and ...

Atomic symbol (on the periodic table of elements): Br Atomic weight (average mass of the atom): 79.904 Density: 1.805 ounces per cubic inch (3.122 grams per cubic cm) Phase at room temperature: Liquid ...

Predictive power Gallium Mendeleev left blank spaces in his original periodic table so that he could properly line up the known elements. Gallium, element 31, was his first gap to be filled, in 1875.

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue explores how the periodic table of elements took shape. Learn how the periodic table ...

To answer this question, it is important to understand the anatomy of an element. Everyone has heard of the periodic table of elements, or at least seen it hanging on the wall of a high school ...

The elements, discovered by researchers from Japan, Russia, and the United States, are known by their atomic numbers of 113, 115, 117, and 118. They will be given permanent names soon, according ...

Bromine, an element long considered inessential for animal life and even dangerous, has now joined the ranks of 27 other elements deemed necessary for human development. Its importance lies in its ...

The periodic table lists 118 different chemical elements. And yet, for thousands of years, humans have really, really liked one of them in particular: gold. A chemist explains.

Bromine Is an Essential Trace Element for Assembly of Collagen IV Scaffolds in Tissue Development and Architecture. Cell, 2014; 157 (6): 1380 DOI: 10.1016/j.cell.2014.05.009 ...