Classify the following into alpha, beta and gama
Similar to helium nucleus

Classify the following into alpha, beta and gama Similar to fast moving electron

Classify the following into alpha, beta and gama Positively charged

Classify the following into alpha, beta and gama Negatively charged

Classify the following into alpha, beta and gama It is an electromagnetic wave

Classify the following into alpha, beta and gama Travel with the velocity of light

Classify the following into alpha, beta and gama Travel with 1/10th the velocity of light

Classify the following into alpha, beta and gama Travel with 99/100th the velocity of light

In a radioactive series a nucleus X distintegrates into nucleus Y by emitting two alpha and two beta particles. IF m and n are the mass number and atomic number of the nucleus X, then the mass number and atomic number of the nucleus Y respectively are