natalieraudet natalieraudet

23-03-2020
Chemistry

contestada

If 50% of a radioactive element remains after 4000 years, what is the half-life?

Respuesta :

Mistystar4881 Mistystar4881

27-03-2020

Hey there!

A half-life means after a certain amount of time, half of that substance will be gone/changed after that time.

If 50%, or half, of the element remains after 4000 years, that means the half life must be 4000 years.

Hope this helps!

Answer Link

Otras preguntas

"who started the idea of the symphonic poem?"

Which of the following statements are true. Select all that apply All integers are rational numbers Repeating decimals are not rational numbers. 715/-14 is not

What is the best way to check the reliability and validity of a resource?

What is an advantage of using a parallel backbone over a collapsed backbone?

If it diameter we’re reduced by half it’s volume would be

URGENT!Which of the following precisely describes the cut made through the knee in the image above?A. A transverse cut through the anterior side of the kneeB. A

What were two main goals of the Lewis and Clark expedition

What is another natural process that could contribute to the evolution of a species’ genomes? How would this process affect evolution?

What conclusion does the image support

An upscale resort has built its circular swimming pool around a central area that contains a restaurant. The central area is a right triangle with legs of 60 fe