Final answer:
A chemical property of hydrogen gas is its potential to react with oxygen to form water, which illustrates its ability to ignite and explode under the right conditions. This is due to the elements, electrons, and bonds present in hydrogen that give it the potential for chemical change.
Step-by-step explanation:
A chemical property of hydrogen gas describes its potential to undergo a chemical reaction due to its composition, elements, electrons, and bonds. One such property is hydrogen's ability to react with oxygen to form water, represented by the chemical equation 2H₂ + O₂ → 2H₂O. This reaction is fundamental to the combustive properties of hydrogen, indicating its potential to ignite and explode under certain conditions. Additionally, hydrogen's reaction with other elements such as fluorine and chlorine demonstrates its reactivity, which can be quite explosive.
When considering the preparation of hydrogen, elemental hydrogen must be produced from compounds by breaking chemical bonds, often involving reactions that produce hydrogen gas as an outcome, such as the reaction of zinc with hydrochloric acid releasing hydrogen gas.
Lastly, compounds containing hydrogen, such as water (H₂O), have very different properties from hydrogen itself, as seen in the difference between the combustible nature of hydrogen gas and the fire-extinguishing properties of water.