Question

Alpha particles
are
(a)
Neutral particles
(b)
Positively-chargedparticles
having
no mass
(c)
Positively-charged helium nuclei (d)
Negatively-charged particles​

Answer 1

Explanation:

They are helium nuclei containing 2 protons and 2 neutrons. They carry 2 unit positive charge and 4 unit mass. They are represented as 24He.