- Hydrogen is an essential element of our world. In fact, hydrogen makes up about
75% of the mass of the universe. It is found in the sun and most stars.
- Hydrogen is the simplest and lightest element on the periodic table of elements.
- Hydrogen gas is always bonded to itself or something else to fill its outer
shell. That is why hydrogen gas is represented as H2.
- Hydrogen is odorless, colorless, and tasteless; therefore, it is undetectable
by human senses.
- Hydrogen is highly flammable but will not ignite unless an oxidizer (air)
and ignition source are present.
- Hydrogen has been safely produced, stored, transported, and used in
large amounts in industry by following standard practices that have been
established in the past 50 years.
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