Hydrogen is the first element of the periodic table of elements; denoted by the characters H. The name is a tracing paper from Latin: lat. Hydrogenium – “water-generating”. Widely distributed in nature.
The formula for hydrogen is H2. Therefore, hydrogen has 2 atoms.
Simple substance hydrogen – H2 – light colorless gas. It is flammable and explosive when mixed with air or oxygen. Non-toxic. Let’s dissolve in ethanol and a number of metals: iron, nickel, palladium, titanium, platinum.
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