Which part of a chemical formula indicates the number of atoms of an element that make up a molecule? A. plus signs B. subscript
2 answers:
<u>Answer:</u> The correct answer is Option B.
<u>Explanation:</u>
For the given options:
<u>Option A:</u> 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 , 2 atoms of hydrogen element is there and 1 atom of oxygen element is there.
<u>Option C:</u> 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.
<u>Option D:</u> Chemical symbols are used to write the short form of the elements.
Hence, the correct answer is Option B.
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<h2>Density = 8.96 g/cm³</h2>Explanation:
The density of a substance can be found by using the formula
From the question
mass of copper = 89.6 g
volume = 10 cm³
Substitute the values into the above formula and solve
That's
We have the final answer as
<h3>Density = 8.96 g/cm³</h3>Hope this helps you