Hydrogen may also be found in chemical substances like hydrocarbons and water on Earth. Hydrogen is a nontoxic, nonmetallic, odorless, tasteless, colorless, and highly flammable diatomic gas having the molecular formula H 2at normal temperature and pressure. Tritium can be useful in tiny doses and with proper handling and storage, despite its radiation being relatively dangerous (Check Arrhenius equation to know more about chemical reactions and the effect of temperature) Properties of H Tritium must be produced in nuclear reactors since there is no natural source. Tritium is radioactive due to the extra two neutrons it contains, having a half-life of 12.28 years. It, like hydrogen, reacts with oxygen to form “heavy water,” a material that resembles regular water in appearance and behavior but is somewhat heavier and has a higher freezing point of 3.8 degrees Celsius (38.4 degrees Fahrenheit). Deuteriumĭeuterium, commonly known as “heavy hydrogen,” is found in nature but is rare, accounting for just one out of every 6,420 hydrogen atoms. Protium is the name given to the most basic hydrogen atom, which consists of a single proton surrounded by a single electron.Īn atom with the same number of protons but a different number of neutrons is called an isotope of that element. The letter H stands for protium, which is the normal form of hydrogen. Protium is a one-proton element with no neutrons. Hydrogen also serves as a “green” energy source when burned in the air it gives off heat and pure water without producing CO 2 or other harmful emissions (Read more about greenhouse gases).Hydrogen plays an important role in hydrocarbons, such as oils, sugars, alcohols, and other organic substances.Water, for example, is hydrogen joined with oxygen.Much more often it is combined with oxygen, carbon, and other elements in chemical compounds.
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