Question

how many atoms of oxygen (o) are in the compound: * carbonic acid h₂co₃ 1 atom 2 atoms 3 atoms 4 atoms

Explanation:

Step1: Analyze the chemical formula

The formula is \(H_2CO_3\).

Step2: Identify the oxygen subscript

For oxygen (\(O\)), the subscript is \(3\). This subscript indicates the number of oxygen atoms in one molecule of carbonic acid.

Answer:

C. 3 atoms