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 periodic table is central to our understanding and classification of the world around us. The power of the periodic table lies not in the fact that it contains all known elements, but in that the ...
Silicon is the backbone of the semiconductor industry, but it's also interesting in its own right. Here's why it's so important in modern computing—and in many other applications.