ZitaMaldonado ZitaMaldonado

04-06-2015
Chemistry

contestada

Which radioisotope is a beta emitter?(1) 90Sr (3) 37K(2) 220Fr (4) 238U

Respuesta :

lulu1991 lulu1991

18-06-2015

The answer is (1) 90 Sr. The definition of beta decay is that a type of radioactive decay in which one proton will change to one neutron and release one electron inside the nucleus. And 90Sr is a common beta emitter.

Answer Link

Otras preguntas

four contributory factors to unemployment locally

Ý kiến của bạn về giao tiếp của giới trẻ hiện nay với thầy cô, bạn bè, hãy đưa ra ví dụ cụ thể và rút ra bài học cho bản thân

If you had to pick one invention being the most important in history, which would you pick?

The diagram shows APQR. Which term describes point S?

why Did Lorne knight not traverse the icy sea with Maurer, Crawford and Galle

Sitting on a park bench, you see a swing that is 100 feet away and a slide that is 60 feet away. The angle between them is 30°. distance between the swing and t

Biochemical importance of buffers

Max spent $53 and now he has no money left.How much did max have before his purchase? Why?

Evaluate Equation Please help!!

What is the application of Gene Editing in Primary T Cells? Creative Biogene CRISPR/Cas9 Platform provides comprehensive gene editing services for various cell