Alpha (α\alphaα), beta (β\betaβ) and gamma (γ\gammaγ) are three different types of nuclear radiation.
Which statement describes a feature common to all three of these radiations?
They are all charged particles emitted in a predictable sequence.
They all originate from the nucleus and are emitted in a random process.
They all originate from electron shells and are emitted in a random process.
They all have the same penetrating power and are emitted in a predictable sequence.