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Solved: What is the mass number of an iron atom that has

Chapter 2, Problem 13P

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QUESTION:

What is the mass number of an iron atom that has 28 neutrons?

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QUESTION:

What is the mass number of an iron atom that has 28 neutrons?

ANSWER:

Step 1 of 2

Here, we are going to calculate the mass number of an iron atom has 28 neutrons.

Atomic number(Z) is defined as the total number of protons in an atom.

Mass number (A) is defined as the total number of protons and neutrons in an atom.

Mass number (A) = Number of proton + number of neutron

                    = Z + Number of neutron

 

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