## Chemistry 9th Edition

Published by Cengage Learning

# Chapter 2 - Atoms, Molecules, and Ions - ChemWork Problems - Page 79: 103

#### Answer

Atom/ion $\hspace{10mm}$Protons$\hspace{10mm}$ Neutrons$\hspace{10mm}$ Electrons $Sn_{50}^{120}$ $\hspace{20mm}50$ $\hspace{20mm}70$ $\hspace{20mm}50$ $Mg_{12}^{25+2}$ $\hspace{20mm}12$ $\hspace{20mm}13$ $\hspace{20mm}10$ $Fe_{26}^{56+2}$ $\hspace{20mm}26$ $\hspace{20mm}30$ $\hspace{20mm}24$ $Se_{34}^{79}$ $\hspace{20mm}34$ $\hspace{20mm}45$ $\hspace{20mm}34$ $Cl_{17}^{35}$ $\hspace{20mm}17$ $\hspace{20mm}18$ $\hspace{20mm}17$ $Cu_{29}^{63}$ $\hspace{20mm}29$ $\hspace{20mm}34$ $\hspace{20mm}29$

#### Work Step by Step

Atom/ion $\hspace{10mm}$Protons$\hspace{10mm}$ Neutrons$\hspace{10mm}$ Electrons $Sn_{50}^{120}$ $\hspace{20mm}50$ $\hspace{20mm}70$ $\hspace{20mm}50$ $Mg_{12}^{25+2}$ $\hspace{20mm}12$ $\hspace{20mm}13$ $\hspace{20mm}10$ $Fe_{26}^{56+2}$ $\hspace{20mm}26$ $\hspace{20mm}30$ $\hspace{20mm}24$ $Se_{34}^{79}$ $\hspace{20mm}34$ $\hspace{20mm}45$ $\hspace{20mm}34$ $Cl_{17}^{35}$ $\hspace{20mm}17$ $\hspace{20mm}18$ $\hspace{20mm}17$ $Cu_{29}^{63}$ $\hspace{20mm}29$ $\hspace{20mm}34$ $\hspace{20mm}29$

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