## Chemistry: The Central Science (13th Edition)

Published by Prentice Hall

# Chapter 2 - Atoms, Molecules, and Ions - Exercises: 2.23a

Not isotopes

#### Work Step by Step

Isotopes are atoms with the same number of PROTONS but different number of NEUTRONS. $B^{11} and C^{11}$ have the same number of neutrons but are different atoms and therefore have different number of protons

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