Which of the following symbols correctly represents an atom that contains 17 protons…

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

Which of the following symbols correctly represents an atom that contains 17 protons and 20 neutrons? (a)

^{37}_{18}\mathrm{Ar}

(b)

^{34}_{17}\mathrm{Cl}

(c)

^{37}_{17}\mathrm{Cl}

(d)

^{17}_{37}\mathrm{Cl}