menu
Qamnty
Login
Register
My account
Edit my Profile
Private messages
My favorites
What is the half-life of Technetium-99 if a 200 gram sample decays to 50 grams in 639,000 years?
Ask a Question
Questions
Unanswered
Tags
Ask a Question
What is the half-life of Technetium-99 if a 200 gram sample decays to 50 grams in 639,000 years?
asked
Mar 4, 2022
66.2k
views
15
votes
What is the half-life of Technetium-99 if a 200 gram sample decays to 50 grams in 639,000 years?
Chemistry
high-school
Randhir
asked
by
Randhir
8.0k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
3
votes
Answer:
The half-life of Th-232 is 1.4 ∙ 10¹⁰ years.
Fargonaut
answered
Mar 11, 2022
by
Fargonaut
8.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Jan 9, 2018
159k
views
All isotopes of technetium are radioactive, but they have widely varying half-lives. If an 800.0 g sample of technetium-99 decays to 100.0 g of technetium-99 in 639 000 y. What is it's half-life?
Karim Ali
asked
Jan 9, 2018
by
Karim Ali
8.4k
points
Biology
middle-school
1
answer
0
votes
159k
views
asked
Sep 11, 2024
59.0k
views
Radiological laboratories often have a container of molybdenum-99, which decays to form technetium-99m. The equation for the decay is the following 9942mo→99m43tc. What other particle is formed? A. Electron
Greg Bogumil
asked
Sep 11, 2024
by
Greg Bogumil
7.1k
points
Chemistry
high-school
1
answer
2
votes
59.0k
views
asked
Jul 6, 2024
45.9k
views
Technetium-99m, a gamma emitter, is primarily used to image the brain, skeleton and lungs to locate tumors or an infection. It decays radioactively by first order kinetics with k=0.115 hr⁻¹. What is the
Drovani
asked
Jul 6, 2024
by
Drovani
8.1k
points
Physics
high-school
1
answer
4
votes
45.9k
views
Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qamnty