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Whelan Whelan
wrote...
Posts: 3158
9 years ago
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.
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
Read 333 times
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Replies
wrote...
9 years ago
C
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