kyanlongmore kyanlongmore

01-03-2021
Chemistry

contestada

What is the half-life of Technetium-99 if a 200 gram sample decays to 50 grams in 639,000 years?

Respuesta :

ssatoshi686 ssatoshi686

09-03-2021

Answer:

The half-life of Th-232 is 1.4 ∙ 10¹⁰ years.

Answer Link

Otras preguntas

The number of worksheets a workbook can contain is limited to the ______ of your computer.

Joint tenants where one party is husband and wife

Find the polynomial. 2(3y − 1)(y − 3) is the factored form of .

please help me thank you

Helen has been working on a science project about plant growth. Plant A started at a height of 6 cm and exhibited steady growth during the first four weeks of t

Is sensitive to diverse perspectives meaning?

You know that 15% of a number n is 12. How can you use this to find 30% of n? 45% of n? Explain. Because 30% of n is equal to [ ] times 15% of n and 45% of n is

In the Colossal Head of Constantine, why did the sculptor make the face appear emotionless and mask-like?

When you sit still in a chair with your feet on the ground and your back pressing against the back of the chair, are the forces acting on you balanced? Explain.

Which word in the passage expresses eagerness? melodist songs still panting