Hydrogen is the most common element in the universe and the first listed in the periodic table of elements. It is a colorless and odorless gas. Each atom of hydrogen contains one proton and one electron. More »

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Hydrogen does everything that it's possible to do in the universe when given enough time. Hydrogen is the lightest and simplest atom, and so it was the most common element to form after the universe cooled sufficiently t... More »

Hydrogen generators produce high purity hydrogen by a mechanism known as proton exchange membrane, or PMA, and pressure swing adsorption, or PSA, technology. Hydrogen generators are used for a variety of tasks, such as h... More »

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Plutonium naturally forms in the heart of a star undergoing supernova, along with virtually all of the heavy elements in the universe. It is not found on Earth due to its instability. The most stable isotope of naturally... More »

The lightest element on the periodic table is hydrogen. The atomic weight of hydrogen is 1.00794 and the atomic number is 1. Hydrogen is the most abundant element on the periodic table with 75 percent of the mass of the ... More »

The elements carbon, hydrogen and oxygen make up carbohydrates. For instance, glucose, a monosaccharide, has six carbon atoms, 12 hydrogen atoms and six oxygen atoms. More »

The main elements in plastic include carbon, oxygen, hydrogen and chlorine. Some plastics may also contain sulfur, depending on how they are made. More »