Which One of the Following Statements About Isotopes Is False

question 140

Multiple Choice

Which one of the following statements about isotopes is false?

• A)The ratio of neutrons to protons is about 1:1 for elements lighter than Ca.
• B)The ratio of neutrons to protons is > 1:1 for elements heavier than Ca.
• C)Nonradioactive isotopes generally have an odd number of neutrons.
• D)All isotopes beyond ²⁰⁹Bi are radioactive.

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