A normal stationary lithium atom releases an alpha particle

Last updated: 6/12/2023

A normal stationary lithium atom releases an alpha particle with velocity 21 31 7k km s What will be the velocity of the daughter element just after the release of the alpha particle O 1 2 21 31 7k km s 4 3 21 31 7k km s 1 4 21 31 7k km s O 1 5 21 31 7k km s