Question

Which part of a chemical formula indicates the number of atoms of an element that make up a molecule? A. plus signs B. subscripts C. coefficients D. chemical symbols

Answer 1

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I believe the answer you are looking for is D.

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Answer 2

Answer: The correct answer is Option B.

Step-by-step explanation:

For the given options:

Option A: Plus sign is written in a chemical equation to show the number of chemical species reacting or getting produced.

Option B: Subscript numbers are defined as the number of atoms of each element present in a compound.

For Example: In
`H_2O`, 2 atoms of hydrogen element is there and 1 atom of oxygen element is there.

Option C: Coefficients are defined as the numbers which are written in front of the atoms or molecules in a chemical reaction. They represent the number of moles of substance in a chemical reaction.

Option D: Chemical symbols are used to write the short form of the elements.

Hence, the correct answer is Option B.