Multiple choice

Compared to the charge and mass of a proton, an electron has

  1. the same charge and a smaller mass

  2. the same charge and the same mass

  3. an opposite charge and a smaller mass

  4. an opposite charge and the same mass

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An electron has a negative charge (opposite to a proton) and a mass approximately 1/1836 that of a proton (much smaller).