Exam (elaborations)
ARRT Level 1 Module 1 JKO.
- Course
- Institution
ARRT Level 1 Module 1 JKO.
[Show more]
Seller
Follow
lydiaomutho
Content preview
ARRT Level 1 Module 1 JKOHow much radioactivity is left?
Initial Activity- 17 Ci of Cf-252
Time Elapsed- 6 years, 7 months
Half Life- 2.6 years - ANS-2.87 Curies
How much radioactivity is left?
Initial Activity- 310 Ci of Co-60
Time Elapsed- 12 years, 2 months
Half Life- 5.27 years - ANS-62.6 Curies
How much radioactivity is left?
Initial Activity- 8 Ci of Cs-137
Time Elapsed- 21 years, 4 months
Half Life- 30 years - ANS-4 Curies (might be wrong, sorry!)
How much radioactivity is left?
Initial Activity- 6 Ci of Sr-90
Time Elapsed- 16 years, 3 months
Half Life- 28.8 years - ANS-4.06 Curies
If uranium has 92 protons and an isotope has 143 neutrons, what is the mass number of
the isotope? - ANS-235
Is an isotope has an atomic number of 92 and a mass number of 196, what is the
number of neutrons? - ANS-104
Match the atomic particles with their respective charges. - ANS-Electron- Negative
Nucleus- Neutral
Proton- Positive
What is the term used to describe the actual mass of an atom? - ANS-Atomic Weight
What is the term used to describe the number of protons and neutrons in the atom? -
ANS-Atomic Mass
What is the term used to describe the number of protons in the nucleus of an atom? -
ANS-Atomic Number
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller lydiaomutho. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81531 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now