Chemistry 12th Edition

Published by McGraw-Hill Education

Chapter 2 - Atoms, Molecules, and Ions - Questions & Problems - Page 68: 2.16

Answer

Please see the work below.

Work Step by Step

We know that $N^{15}_{7}$ has 7 protons, 8 neutrons and 7 electrons. $S^{34}_{16}$ has 16 protons, 17 neutrons and 16 electrons. $Cu^{63}_{29}$ has 29 protons, 34 neutrons and 29 electrons. $Sr^{84}_{38}$ has 38 protons, 46 neutrons and 38 electrons. $Ba^{130}_{56}$ has 56 protons, 74 neutrons and 56 electrons. $W^{186}_{74}$ has 74 protons, 112 neutrons and 74 electrons. $Hg^{202}_{80}$ has 80 protons, 122 neutrons and 80 electrons.

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