Exam 11: Nuclear Chemistry

Which of the properties of radioisotopes make them useful as tracers in medical or agricultural applications? I.Their chemical behavior is the same as nonradioactive isotopes. Ii.They emit various types of radiation. Iii.The nuclear reaction is unaffected by the chemical state of the isotope.

Which reaction illustrates artificial transmutation by alpha bombardment?

Match the following. -roentgen

The unit of radiation exposure which allows for the energy and penetrating power of different types of radiation is the

Which of the following is not an example of ionizing radiation?

Match the following. -rad

Which form of radiation is generally considered the most dangerous?

Which type of radiation is attracted toward a positive plate?

The emission of a particle from an unstable nucleus is called

What percentage of a radioactive sample remains after four half-lives have passed?

This question has three parts: a.Explain the difference between natural radioactive isotopes and artificial radioactive isotopes. b.How are these two types of isotopes related to the terms spontaneous decay and artificial transmutation? c.Give an example of an element that has natural radioactive isotopes and one that has artificial radioactive isotopes.

The fission of an atom of uranium (or an atom of greater atomic number)can be induced by bombarding it with

List and describe four differences between nuclear reactions and ordinary chemical reactions.

Which reaction is an example of a gamma emission?

Which of the following has the highest ionizing power?

Approximately how old is a fossil that contains 3.13% of its original carbon-14? The half-life of carbon-14 is 5730 years.

All of the statements about nuclear reactions are true except

Match the following. -decay series

Which reaction illustrates artificial transmutation by alpha bombardment?

A sievert is