Presentation on theme: "HYDROGEN. CHARACTERISTICS. It´s the first element of periodic table. It´s symbolized with the letter H. It was discovered by Henry Cavendish in."— Presentation transcript:
CHARACTERISTICS. It´s the first element of periodic table. It´s symbolized with the letter H. It was discovered by Henry Cavendish in London, in 1766.
WE FIND HYDROGEN. It´s distributed throughout the universe. It´s the most abundant element. It´s part of the 75% of mass, and 90% of the molecules of the universe. We can find it as gas, in the molecule of water, petroleum, natural gas, and the main constituent of the organic matter.
PHYSICAL, CHEMICAL AND BIOLOGICAL CHARACTERISTICS It´s a colorless, odorless, and tasteless gas. It´s slightly soluble in water. It´s an inert gas, but if get as monoatomic is very reactive with other elementes. One of the element that it reacts is with oxygen producing an explosion It´s the most flammable substance known. It´s principal in all organic molecules.
IMPORTANCE FOR LIFE. It´s important because it is part of carbohydrates, our main source energy, are part too of the organic matter, it is also part of many important molecular structures. Inhalation of this gas can cause health problems, such as dizziness, nausea, vomiting, headache, even death.
USES. Food processing. Synthesis of ammonia, methanol, and hydrochloric acid. Liquid refrigerant. Used as fuel, since in reaction with oxygen produces only water, reducing pollution. And has greater power energetic than other fuels. It´s used to filling hot air balloons and meteorological balloons.
OTHER IMPORTANCES. We can be obtained from the hydrolysis of water. It´s and carbon together are main constituents of proteins, lipids and carbohydrates, and these are our sources of energy.