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.

Question

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.

Quizplus · Accepted Answer

Nonradioactive isotopes do not generally have an odd number of neutrons. This statement is false. In fact, many nonradioactive isotopes have an even number of neutrons.

Which One of the Following Statements About Isotopes Is False