Register

A rock formed with 1,000 atoms of a radioactive parent element, but only contains 12.5% of its original radioactive parent atoms today. if the half-life is 1,000,000 years, how …

A rock formed with 1,000 atoms of a radioactive parent element, but only contains 12.5% of its original radioactive parent atoms today. if the half-life is 1,000,000 years, how …
44.7k views
4 votes
A rock formed with 1,000 atoms of a radioactive parent element, but only contains 12.5% of its original radioactive parent atoms today. if the half-life is 1,000,000 years, how old is the rock? (ess 4.6)

User Lannyboy
by
7.1k points

1 Answer

4 votes

The rock is 2,000,000 years old.

User Edwin Jarvis
by
7.4k points
← Prev Question Next Question →

Related questions

User Teabot
asked Oct 5, 2024 2.4k views
Distinguish between Priest(ess) vs Shaman
Teabot asked Oct 5, 2024
by Teabot
8.3k points
1 answer
2 votes
2.4k views
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

Categories

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
Link Copied!