Examlex
What is the correct statement about an atom?
Oxygen Gas
A diatomic molecule consisting of two oxygen atoms (O2), essential for most forms of life on Earth to perform cellular respiration.
Liberating Mercury
The process of releasing mercury, typically from its ores or as a byproduct of industrial processes, which can lead to environmental contamination.
HgO
HgO refers to mercury(II) oxide, a solid compound consisting of mercury and oxygen, known for decomposing into mercury and oxygen gas when heated.
Methane Gas
A colorless, odorless flammable gas that is a major component of natural gas, used as a fuel and in the production of various chemicals.
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