Compared with the mass of an electron,the mass of a proton is:
A) almost 2000 times greater.
B) about twice as great.
C) about the same.
D) about 1/2000 as great.

Question

Quizplus · Accepted Answer

The mass of an electron is about 9.11 x 10^-31 kg, while the mass of a proton is about 1.67 x 10^-27 kg. Therefore, the mass of a proton is almost 2000 times greater than the mass of an electron.

Compared with the Mass of an Electron,the Mass of a Proton