Question

whT is the charge or mass of alpha particle​

Answer 1

The magnitude of the charge carried by an alpha particle is $9.3 \times {10}^{ - 10} \: esu$ or $3.2 \times {10}^{ - 19} \: coulomb$.

The mass of an alpha particle is equal to $6.68\times {10}^{ - 27} \: kg$.