It is composed of 73% hydrogen, 25%helium, and 2% others.

This reaction can describe the birth, life, and death of the stars.

What are the oldest Atom?

It is the formation of elements by combining simpler nuclei in a nuclear reaction with the help of extremely high temperatures and pressure.

He proposed his quantized planetary model of the atom to elucidate how electrons can have stable orbits around the nucleus.

He developed a “plum pudding” model of the atom.

He propose the first model of the atom.

In this nuclear reaction, the radioactive nuclide is changed into an element with an atomic number and mass number lower than 2 and 4 respectively.

What was the subatomic particles discovered by J.J Thomson?