Examlex
Give the exact value of the expression.
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Hydrogen Sulfide
A colorless, poisonous, flammable gas with the characteristic foul odor of rotten eggs; used in the manufacture of chemicals, in metallurgy, and as a fungicide and insecticide.
Lewis Structure
A graphical representation of molecules showing how valence electrons are distributed among atoms, and where dots and lines represent electrons and bonds, respectively.
Water
A molecule composed of two hydrogen atoms bonded to one oxygen atom, essential for all forms of life.
Helium
The second lightest and second most abundant element in the universe, a noble gas that remains liquid at the lowest temperatures.
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