Question

What is the charge of alpha particle in rutherford scattering?

Answer 1

charge -> 2+
mass. -> 4u

Answer 2

For an alpha particle: m (mass) = 6.64424×10−27 kg = 3.7273×109 eV/c. q1 (for helium) = 2 × 1.6×10−19 C = 3.2×10−19 C. q2 (for gold) = 79 × 1.6×10−19 C = 1.27×10−17 C.