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Chemistry | 11th Edition | ISBN: 9780073402680 | Authors: Raymond Chang
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Answer: For each of the following species, determine the

Chapter 2, Problem 15P

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QUESTION:

For each of the following species, determine the number of protons and the number of neutrons in the nucleus:

         \(_2^3\mathrm{He},\ _2^4\mathrm{He},\ _{12}^{24}\mathrm{Mg},\ _{12}^{25}\mathrm{Mg},\ _{22}^{48}\mathrm{Ti},\ _{35}^{79}\mathrm{Br},\ _{78}^{195}\mathrm{Pt}\)

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QUESTION:

For each of the following species, determine the number of protons and the number of neutrons in the nucleus:

         \(_2^3\mathrm{He},\ _2^4\mathrm{He},\ _{12}^{24}\mathrm{Mg},\ _{12}^{25}\mathrm{Mg},\ _{22}^{48}\mathrm{Ti},\ _{35}^{79}\mathrm{Br},\ _{78}^{195}\mathrm{Pt}\)

ANSWER:

Step 1 of 8

Here, we are going to calculate the number of protons and the number of neutrons in the nucleus in the following elements.

We can determine the number of protons and the number of neutrons in the nucleus by the following equation.

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-----(1)

 

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