The Ratio of the Numbers of Neutrons to Protons in the Nucleus

question 12

Multiple Choice

The ratio of the numbers of neutrons to protons in the nucleus of naturally occurring isotopes tends to vary with atomic number in what manner?

• A)increases with greater atomic number
• B)decreases with greater atomic number
• C)is maximum for atomic number = 60
• D)remains constant for entire range of atomic numbers

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