A nucleus contains 82 protons and 125 neutrons

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

Problem

A nucleus contains 82 protons and 125 neutrons. Which of the following nuclear symbols correctly represents it? (a) 125207X^{207}_{125}X (b) 82208X^{208}_{82}X (c) 82207X^{207}_{82}X (d) 82125X^{125}_{82}X

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