How do we know that hydrogen sulfide has two hydrogen atoms by looking at the chemical name?

Question

Gianna · Answer

Answer:   Hydrogen sulfide is a flammable, colorless gas with a characteristic odor of rotten eggs. It is commonly known as hydrosulfuric acid, sewer gas, and stink damp. People can smell it at low levels.

Ayla

The area of a square plot is 800 m². Find the estimated length of the side of the plot.

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