An atom of iron has the atomic number 26 and a mass number of 56. how many protons plus neutrons are in the nucleus?
2 answers:
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Answer:
The answer is
<h2>0.4 g/cm³</h2>Explanation:
The density of a substance can be found by using the formula
From the question
mass of wood = 120 g
volume = 300 cm³
So the density of the wood is
We have the final answer as
<h3>0.4 g/cm³</h3>Hope this helps you