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Home arrow Chapter 11 arrow Concept 3 Quiz

Concept 3 Quiz

Explain radioactivity and radiometric dating.

This activity contains 13 questions.

Question 1.
The process by which atomic nuclei spontaneously break apart (decay) is termed


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Question 2.
Atoms with the same atomic number but different mass numbers are called


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Question 3.
The atomic number is the number of _______ in the nucleus.

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Question 4.
It is possible to obtain reliable dates for events in the geologic past.

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Question 5.
Which of the following is not a common type of radioactive decay?

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Question 6.
The time required for one-half of the parent nuclei in a sample to decay is called the _____________ of the isotope.

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Question 7.
A beta particle is the same as a neutron.

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Question 8.
The radioactive decay of radium-226 to radon-222 is part of the uranium decay series.

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Question 9.
Radioactive decay represents a/an _________reduction in the parent material.

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Question 10.
Which of the following pairs of isotopes is not often used for radiometric dating?

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Question 11.
Radiocarbon dating uses the ratio of C-14 to C-12 to determine recent events.

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Question 12.
An accurate radiometric date can be obtained only if the material remains in a closed system during the entire period since its formation.

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Question 13.
Correctly match the common types of radioactive decay with the proper sequence.

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The letters A through C appear on an image associated with this question.

This question presents 3 items numbered 13.1 through 13.3. Each item is presented with a pulldown menu containing the letters A through C. For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
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