12
QuizMultiple Choice

Periodic Trends — Unit test

Question 12 • FL-2003350-Chemistry 1 Honors

An atom contains one proton, one electron, and one neutron. Which two particles are most similar in mass?

Answer
A
the neutron and the electron
B
the proton and the electron
C
the proton and the neutron
D
the neutron and the atom
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