Filters
Question type
Study Flashcards

Which of the following is a process for which synthetic radioactive sample are used?


A) Medicinal applications
B) Food preservation
C) Studies of piston wear
D) Monitoring the progress of certain oils through pipelines
E) All of the above

Correct Answer

verifed

verified

Which of the following best describes a natural radioactive decay series?


A) Change of one element to another by nuclear bombardment
B) A chain reaction,in which a nuclear product of one reaction becomes a nuclear reactant in the next step
C) The combination of two small nuclei to form a larger nucleus
D) A list of a series of reactions that illustrate how a radioactive element disintegrates into a stable isotope
E) A nuclear equation for a natural radioactive decay,showing the alpha and beta particles written as a series rather than with coefficients

Correct Answer

verifed

verified

Which of the following statements is or are false? (i) Radioactivity first appeared on earth in the late 1800s. (ii) Atoms cannot be changed from one element to another. (iii) If a sample of a substance is radioactive,the sample remains radioactive forever.


A) i only
B) i and ii
C) i and iii
D) ii and iii
E) i,ii,and iii

Correct Answer

verifed

verified

The half-life of The half-life of is 2.7 days.If you begin with 25 grams of ,how many grams will you have 10.8 days later? A) 1.6 g B) 2.3 g C) 6.3 g D) 9.3 g E) 0.32 g is 2.7 days.If you begin with 25 grams of The half-life of is 2.7 days.If you begin with 25 grams of ,how many grams will you have 10.8 days later? A) 1.6 g B) 2.3 g C) 6.3 g D) 9.3 g E) 0.32 g ,how many grams will you have 10.8 days later?


A) 1.6 g
B) 2.3 g
C) 6.3 g
D) 9.3 g
E) 0.32 g

Correct Answer

verifed

verified

What distinguishes natural radioactivity from induced radioactivity produced by bombardment reactions?


A) Gamma rays are not emitted in natural radioactivity
B) Gamma rays are not emitted in induced radioactivity
C) Induced radioactivity produces radioactive elements not found in nature
D) Induced radioactivity is still a theoretical concept; natural radioactivity actually occurs
E) When naturally radioactive substances decay,they emit natural radiation,but when induced radioactive substances decay,they emit artificial radiation

Correct Answer

verifed

verified

Which of the following units is most commonly used to express radiation exposure?


A) rem
B) R
C) J
D) rad
E) All can be used to measure radiation exposure.

Correct Answer

verifed

verified

An ancient tree is found which has a carbon-14 disintegration rate of 11.3 units.If the disintegration rate of a living tree is 14.0 units,calculate the age of the ancient tree.t1/2 = 5.73 * 103 years for carbon-14 and 0.807 of the sample remaining corresponds to 0.309 half-life.


A) 1.77 * 103 yr
B) 4.62 * 103 yr
C) 5.73 *103 yr
D) 1.85 * 104 yr
E) 7.10 * 104 yr

Correct Answer

verifed

verified

Which of the following represents the correct nuclear equation for the alpha decay of Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow + ?


A) Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow + →\rightarrow Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow +
+ Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow +
B) Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow + + Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow + →\rightarrow Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow +
C) Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow + →\rightarrow Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow + + Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow +
D) Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow + + Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow + →\rightarrow Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow +
E) Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow + →\rightarrow Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow + + Which of the following represents the correct nuclear equation for the alpha decay of ? A) \rightarrow + B) + \rightarrow C) \rightarrow + D) + \rightarrow E) \rightarrow +

Correct Answer

verifed

verified

Choose the correct nuclear symbol for the missing species to complete the following nuclear bombardment equation: Choose the correct nuclear symbol for the missing species to complete the following nuclear bombardment equation: + ? \rightarrow A) B) C) D) E) + ? →\rightarrow Choose the correct nuclear symbol for the missing species to complete the following nuclear bombardment equation: + ? \rightarrow A) B) C) D) E)


A) Choose the correct nuclear symbol for the missing species to complete the following nuclear bombardment equation: + ? \rightarrow A) B) C) D) E)
B) Choose the correct nuclear symbol for the missing species to complete the following nuclear bombardment equation: + ? \rightarrow A) B) C) D) E)
C) Choose the correct nuclear symbol for the missing species to complete the following nuclear bombardment equation: + ? \rightarrow A) B) C) D) E)
D) Choose the correct nuclear symbol for the missing species to complete the following nuclear bombardment equation: + ? \rightarrow A) B) C) D) E)
E) Choose the correct nuclear symbol for the missing species to complete the following nuclear bombardment equation: + ? \rightarrow A) B) C) D) E)

Correct Answer

verifed

verified

Which of the following is or are reasons why the building and continued use of nuclear power plants faces some opposition in the United States? (i) The threat of an accident that might release large amounts of radiation. (ii) Disposal of the radioactive wastes that are generated by nuclear reactors. (iii) Fear that an irresponsible government may use nuclear fuel to manufacture nuclear weapons.


A) iii only
B) i and ii
C) i and iii
D) ii and iii
E) i,ii,and iii

Correct Answer

verifed

verified

Showing 41 - 50 of 50

Related Exams

Exam 2

Matter and Energy

50 Questions

Exam 3

Measurement and Chemical Calculations

49 Questions

Exam 4

Introduction to Gases

49 Questions

Exam 5

Atomic Theory: the Nuclear Model of the Atom

46 Questions

Exam 6

Chemical Nomenclature

43 Questions

Exam 7

Chemical Formula Relationships

44 Questions

Exam 8

Chemical Reactions

43 Questions

Exam 9

Chemical Change

51 Questions

Exam 10

Quantity Relationships in Chemical Reactions

40 Questions

Exam 11

Atomic Theory: the Quantum Model of the Atom

50 Questions

Exam 12

Chemical Bonding

45 Questions

Exam 13

Structure and Shape

47 Questions

Exam 14

The Ideal Gas Law and Its Applications

45 Questions

Exam 15

Gases, liquids, and Solids

45 Questions

Exam 16

Solutions

43 Questions

Exam 17

Acid-Base Proton-Transferreactions

45 Questions

Exam 18

Chemical Equilibrium

44 Questions

Exam 19

Oxidation-Reduction Redoxreactions

44 Questions

Exam 21

Organic Chemistry

45 Questions

Exam 22

Biochemistry

45 Questions

Show Answer