Home
Class 12
PHYSICS
A radioactive nucleus (initial mass numb...

A radioactive nucleus (initial mass number A and atomic number Z) emits 3 `alpha`-paticles and 2 positrons. The ratio of number of neutrons to that of protons in the final nucleus will be

A

`(A-Z-8)/(Z-4)`

B

`(A-Z-4)/(Z-8)`

C

`(A-Z-12)/(Z-4)`

D

`(A-Z-4)/(Z-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A radiaoactive nucleus (initial mass number A and atomic number Z emits 3 alpha - particles and 2 positrons The ratio of number of neutrons to that of proton in the final nucleus will be

A nucleus ._ZX^A emits 9 alpha- particles and 5p particle. The ratio of total protons and neutrons in the final nucleus is.

If uranium ( mass number 238 and atomic number 92 ) emits an alpha- paticle, the produc has mass number and atomic number

An atom of mass number 15 and atomic number 7 captures an alpha- particle and then emits a proton. The mass number and atomic number of the resulting product will respectively be.

A uranium nucleus ._(92)U^(238) emits and alpha -particle and a beta -particle in succession. The atomic number and mass number of the final nucleus will be

A radioactive nucleus of mass number A, initially at rest, emits an alpha- particle with a speed v. What will be the recoil speed of the daughter nucleus ?

The mass number of a nucleus is.

A uranium nucleus (atomic number 92 , mass number 231 ) emits an alpha -particle and the resultant nucleus emits a beta -particles. What are the atomic and mass numbers of the final nucleus? .

Number of protons in the nucleus of carbon atom is

The mass number of a nucleus is equal to