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DistanceLearningCentre.comSTUDENT ASSESSMENT SAQ SHEET
SUBJECT: Physics / Medicine
UNIT: Medical Uses of Radioisotopes
TOPIC: Medical Uses of Radioisotopes
LEVEL: 3
YOUR NAME:
How to use this document
You will use this document to record your answers to the Self Assessment Questions
(SAQs) in the topic you have just studied.
You should complete the table in Part 1, and the comment box in Part 2. You may add or
delete rows as appropriate when you are completing the table in Part 1.
Once completed, please upload an electronic copy of this document at your Learner
Account (for marking, and to be checked for plagiarism). Please notify your tutor by email
when you have uploaded this document at your Learner Account.
Your tutor will then provide the Answers to SAQs for you to mark your answers, using this
sheet.
Once you have completed and marked all of the SAQ answers for the topics in a particular
unit, your tutor will provide the deadline for your assessment.
© DistanceLearningCentre.com, 2022 1
, STUDENT ASSESSMENT SAQ SHEET
PART 1: SAQ answers
Fill in the following table by writing your answer to each of the Self-Assessment Questions,
in your own words.
When you have completed all of the SAQs in the topic, mark your work using the exemplar
SAQ answers that your tutor will provide.
Before you send your tutor your SAQ answers, please complete Part 2: Comments.
Mark your
answer by
SAQ Questions and Answers deleting
the tick or
the cross
SAQ 1 Question:
1. Where in an atom would you find protons and
electrons?
2. What is the mass of an electron compared to that of a
proton?
Your answer:
Protons are found in the central nucleus of an atom and
electrons are orbiting around the nucleus.
Electrons are 1/2000 (1:1800) of the mass of a proton.
SAQ 2 Question:
1. How many neutrons are in the following nuclei?
a) 146C
23
b) 11 Na
14
c) 7 N
235
d) 92 U
2. Give the nuclear equation symbol for oxygen (O)
which has 8 protons and 8 neutrons, and for fluorine
(F) which has 9 protons and 10 neutrons.
Your answer:
A = 8 as 14 – 6 = 8. B = 12 as 23 – 11 = 12. C = 7 as 14 – 7 = 7. D
= 143 as 235 – 92 = 143.
O. 199F
16
8
© DistanceLearningCentre.com, 2022 2
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