Questions: In water H2O what is the 2 called and what does it mean? A. Coefficient and it means there are 2 water molecules B. Coefficient and it means there are 2 Hydrogens C. Subscript and it means there are 2 Hydrogens D. Subscript and it means there are 2 Oxygen

In water H2O what is the 2 called and what does it mean? A. Coefficient and it means there are 2 water molecules B. Coefficient and it means there are 2 Hydrogens C. Subscript and it means there are 2 Hydrogens D. Subscript and it means there are 2 Oxygen
Transcript text: In water $\mathrm{H}_{2} \mathrm{O}$ what is the 2 called and what does it mean? A. Coefficient and it means there are 2 water molecules B. Coefficient and it means there are 2 Hydrogens C. Subscript and it means there are 2 Hydrogens D. Subscript and it means there are 2 Oxygen
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Solution

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Solution Steps

Step 1: Identify the Position of the Number

In the chemical formula \(\mathrm{H}_{2}\mathrm{O}\), the number "2" is written as a subscript next to the hydrogen symbol (H).

Step 2: Determine the Meaning of the Subscript

The subscript "2" indicates the number of hydrogen atoms present in one molecule of water. It specifies that there are two hydrogen atoms.

Step 3: Match the Explanation with the Options

From the given options:

  • Option C states: "Subscript and it means there are 2 Hydrogens."

This matches our understanding of the subscript in the chemical formula \(\mathrm{H}_{2}\mathrm{O}\).

Final Answer

\(\boxed{\text{C. Subscript and it means there are 2 Hydrogens}}\)

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