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Atomic structure

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Question 14
65%

An iron-56 ion, 56Fe3+^{56}\text{Fe}^{3+}56Fe3+, is formed during a redox reaction. The atomic number of iron is 26.

Which row of the table correctly shows the number of protons, neutrons, and electrons in this 56Fe3+^{56}\text{Fe}^{3+}56Fe3+ ion?

RowProtonsNeutronsElectronsA263026B263029C263023D265623 \begin{array}{|c|c|c|c|} \hline \text{Row} & \text{Protons} & \text{Neutrons} & \text{Electrons} \\ \hline \text{A} & 26 & 30 & 26 \\ \hline \text{B} & 26 & 30 & 29 \\ \hline \text{C} & 26 & 30 & 23 \\ \hline \text{D} & 26 & 56 & 23 \\ \hline \end{array} RowABCD​Protons26262626​Neutrons30303056​Electrons26292323​​

Row A

Row B

Row C

Row D

Atomic structure Questions

  1. GCSE
  2. /Chemistry
  3. /Atomic structure