Register
What type of element did fermi expect to find when uranium absorbed a neutron and then ejected a beta particle? what did they find ( they were identified by someone else much later.) what reason did fermi
48.8k views
5 votes
What type of element did fermi expect to find when uranium absorbed a neutron and then ejected a beta particle? what did they find ( they were identified by someone else much later.) what reason did fermi and his group give for not being able to identify the products? answer?

User Hugh Sawbridge
by
6.5k points

1 Answer

5 votes

Answer: a)neptunium b) the element is unstable

Step-by-step explanation:

a) 238 0 239 -1

U + n = Np e

92 1 93 0

b) it is an isotope of neptunium with half-lives less than 4.5 days, with most less than 50 minutes. It is therefore not stable that's why they where unable to identify it

User Kiran Kuppa
by
5.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.6m questions

8.8m answers

Other Questions

When weak acids react with strong bases, the H+ from the weak acid is transferred to the: metal of the strong base to form a metal hydride OH− from the strong base to form water and a salt salt that is
How much heat is required to increase the temperature of 10.0 grams of water 6.0oC? (The specific heat of water is 4.18 J/g x oC) 250 J
Some elements can have multiple molecular forms in the same physical state. these multiple forms are called a. isotopes. b. isotropes. c. allotropes. d. multi-tropes.
True or false: in the water cycle, water returns to Earth as condesation, usually in the form of rain or snow.
The original amount of a radioactive sample should be multiplied by which expression to calculate the amount of the sample that remains after n half-lives have passed? (1/2)xn (1/n)^2 (1/2)^n 1/(2n)
Link Copied!