An ion with mass number 56 contains 3 units of positive charge and 30.4% more…

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

Problem

An ion with mass number 56 contains 3 units of positive charge and 30.4% more neutrons than electron, then the symbol of ion is (1)

{}^{56}_{26}\text{Fe}

(2)

{}^{56}_{26}\text{Fe}^{+}

(3)

{}^{56}_{26}\text{Fe}^{+2}

(4)

{}^{56}_{26}\text{Fe}^{+3}

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