Page 48 - Chemistry eBook
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Answer
75) Answer: The nucleus of carbon-11 contains one more proton than the nucleus of boron-11.
Explanation: Atomic number = number of protons. Find the atomic numbers of carbon and boron on Reffy (p. 9). The atomic number of carbon (C) is 6, and the atomic number of boron (B) is 5. That means that carbon has one more proton (in its nucleus) than boron does.
48 © UNIT 2: ATOMIC STRUCTURE
