Question

Which of the three particles that make up an atom has the smallest mass?

Answer 1

Answer:

electron

Of the three subatomic particles, the electron has the smallest mass. The mass of an electron is 1/1840 of an atomic mass unit (amu).

Answer 2

Of the three subatomic particles, the electron has the smallest mass. The mass of an electron is 1/1840 of an atomic mass unit (amu