Register
Krypton-85 has a half-life of 10.76 years. It decays into rubidium-85. Suppose a sample contains 4 atoms of krypton-85 and 12 atoms of rubidium-85. About how old is the sample?
63.9k views
2 votes
Krypton-85 has a half-life of 10.76 years. It decays into rubidium-85. Suppose

a sample contains 4 atoms of krypton-85 and 12 atoms of rubidium-85.
About how old is the sample?

User KayoticSully
by
8.0k points

1 Answer

1 vote

Answer:

It’s 21.52 years

Step-by-step explanation:

I just took the test

User Mildre
by
8.4k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

Passe para a voz passiva: - Kevin asked Dennis a question -Somebody Build the house last year -She gives him a box
Who is the author of Alice's Adventures in Wonderland'??
why is mercury usually hard to see without a telescope?
If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?
Transforme em voz passiva: They don't speak English in this shop
Link Copied!