Question

When $\alpha -$ particles are sent through a thin metal foil, most of them go straight through the foil because (one or more are correct)

• A. Alpha particles are much heavier than electrons
• B. Alpha particles are positively charged
• C. Most part of the atom is empty space
• D. Alpha particles move with high velocity

Answer 1

The correct option is C

Most part of the atom is empty space

$\alpha -$ particle pass through because most part of the atom is empty.