An electrically neutral atom with an atomic number of 8 and a mass number of 17 has:
A. 8 protons.
B. 9 electrons.
C. 8 neutrons.
D. 17 protons.
Answer:A
An electrically neutral atom with an atomic number of 8 and a mass number of 17 has:
A. 8 protons. B. 9 electrons. C. 8 neutrons. D. 17 protons.