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What is special about hydrogen?
Hydrogen is a colorless gas that is so much lighter than air that it can actually escape the gravitational pull of the earth and shoot off into space. Hydrogen is also the first element on the periodic table and has only on proton and one electron. Hydrogen does not have any neutrons.
How much hydrogen is in the world?
Although hydrogen is the most abundant element in the universe (three times as abundant as helium, the next most widely occurring element), it makes up only about 0.14 percent of Earth’s crust by weight. It occurs, however, in vast quantities as part of the water in oceans, ice packs, rivers, lakes, and the atmosphere.
What are the everyday uses of hydrogen?
Gas welding: A common use of hydrogen gas is in the gas welding process.
How does hydrogen effect humans?
Most of the information on human health effects from hydrogen sulfide exposure comes from accidental and industrial exposures to high levels. Exposure to high levels can cause muscle cramps, low blood pressure, slow respiration and loss of consciousness.
What are some disadvantages of hydrogen?
One key disadvantage to hydrogen fuel is the difficulty storing it. Hydrogen needs to be kept under strong compression to be a viable fuel source, necessitating strong tanks and heavy-duty fueling lines. As there is currently no mainstream system of storage and distribution for hydrogen fuel, this is a major practical disadvantage.
What are the health effects of hydrogen?
Chronic Exposure. Hydrogen sulfide does not accumulate in the body. Nevertheless, repeated or prolonged exposure has been reported to cause low blood pressure, headache, nausea, loss of appetite, weight loss, ataxia, eye-membrane inflammation, and chronic cough.