Question

Are proton instable explain

Answer 1

Because Proton is a stable particle while neutron is not. ... One thing is that proton is pretty stable and doesn't decay that's mainly because it has to decay into a neutron. But here is the catch it cannot sponataneously decay into neutron because mass of a proton is slightly less than mass of a neutron.

$\huge \bold{hope \: it \: helps}$

Answer 2

Answer-

Proton and Neutron seems to be stable. They also have their own lifetime and they also will eventually decay to fundamental particles.

Lifetime of a Proton is around 10^23 years. A free Neutron is also unstable which can decay in 15 minutes into beta decay. Mass of Neutron is slightly larger than a Proton.

So even the things which our body is made of is unstable. They will surely decay come day. Even the last Protons in the universe will disappear in 10^23 years.

The protons which make us body has already completed 13.7 x 10^9 years after the Big Bang.