• Wrong document? Swap it for free
  • Written by students who passed
  • Immediately available after payment
  • Read online or as PDF
Sell
Where do you study
Your language
Document preview thumbnail
Preview 1 out of 2 pages
Exam (elaborations)

ARRT Level 1 Module 1 JKO.

Document preview thumbnail
Preview 1 out of 2 pages

ARRT Level 1 Module 1 JKO.

Content preview

ARRT Level 1 Module 1 JKO
How 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

Document information

Study
Uploaded on
June 22, 2024
Number of pages
2
Written in
2023/2024
Type
Exam (elaborations)
Contains
Questions & answers
$8.49

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
scholartutor
4.8
(923)
Sold
2789
Followers
3
Items
10777
Last sold
3 weeks ago




Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions