Chapter21PracticeQuestions

Chapter21PracticeQuestions - Chapter 21 MULTIPLE CHOICE....

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 21 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question 1) In balancing the nuclear reaction 293 92 U 234 90 E + 4 2 He, the identity of element E is __________ . A) Pu. B) U. C) Th. D) Np. E) Pa. 1) 2) This reaction is an example of __________. 210 84 Po 206 82 Pb + __________ A) alpha decay B) positron emission C) gamma emission D) beta emission E) electron capture 2) 3) The missing product from this reaction is 121 53 I 121 52 Te + __________ A) 0 - 1 e B) 0 0 γ C) 4 2 He D) 1 0 n E) 0 1 e 3) 4) This reaction is an example of __________. 41 20 Ca 41 19 K + __________ A) alpha decay B) beta decay C) positron decay D) gamma emission E) electron capture 4) 5) The missing product in this reaction would be found in which group of the periodic table? 24 11 Na 0 - 1 e + __________ A) 3A B) 7A C) 1A D) 8A E) 2A 5) 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6) The missing product in this reaction combines with oxygen to form a compound with the formula 42 19 K 0 - 1 e + __________ A) MO 2 B) M 2 O C) M 3 O 2 D) MO E) M 2 O 3 6) 7) Radium undergoes alpha decay. The product of this reaction also undergoes alpha decay. What is the product of this second decay reaction __________ ? A) Po B) Hg C) U D) Rn E) Th 7) 8) What is the mass number of a neutron __________ ? A) 1 B) 3 C) 2 D) 0 E) 4 8) 9) Nuclei above the belt of stability can lower their neutron - to - proton ratio by_____ A) gamma emission. B) positron emission. C) beta emission. D) electron capture. E) Any of the above processes will lower the neutron - to - proton ratio. 9) 10) What is the largest number of protons that can exist in a nucleus and still be stable __________ ? A) 83 B) 206 C) 92 D) 50 E) 84 10) 11) The three radioactive series that occur in nature end with what element __________ ? A) Hg
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 8

Chapter21PracticeQuestions - Chapter 21 MULTIPLE CHOICE....

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online