get the app

Question: The a-particle carries two positive charges. Its mass is very nearly equal to that of-
1)two protons
2)an atom of helium
3)sum of masses of two positrons and two neutrons
4)two positrons as each positron carries a single positive charge

Previous Next

Suggest other answer
Login to Discuss/suggest the answer...

Exam Exam: Atomic Structure QUESTIONS

Subscribe here for free mock test on IAS PCS SSC and other competitive exam. Signup here to get SSC CGL Solution and main exam study material