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Bonding

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Question 6

An atom of a Group 2 element, MMM, reacts with an atom of a Group 5 element, XXX, to form an ionic compound so that both elements achieve a stable outer shell of electrons.

Group 2 element MGroup 5 element XEmpirical formulaALoses 2 electronsGains 3 electronsM3X2BGains 2 electronsLoses 3 electronsM2X3CLoses 2 electronsGains 3 electronsM2X3DLoses 3 electronsGains 2 electronsM3X2 \begin{array}{|c|c|c|c|} \hline & \textbf{Group 2 element } M & \textbf{Group 5 element } X & \textbf{Empirical formula} \\ \hline \textbf{A} & \text{Loses } 2\text{ electrons} & \text{Gains } 3\text{ electrons} & M_3X_2 \\ \hline \textbf{B} & \text{Gains } 2\text{ electrons} & \text{Loses } 3\text{ electrons} & M_2X_3 \\ \hline \textbf{C} & \text{Loses } 2\text{ electrons} & \text{Gains } 3\text{ electrons} & M_2X_3 \\ \hline \textbf{D} & \text{Loses } 3\text{ electrons} & \text{Gains } 2\text{ electrons} & M_3X_2 \\ \hline \end{array} ABCD​Group 2 element MLoses 2 electronsGains 2 electronsLoses 2 electronsLoses 3 electrons​Group 5 element XGains 3 electronsLoses 3 electronsGains 3 electronsGains 2 electrons​Empirical formulaM3​X2​M2​X3​M2​X3​M3​X2​​​

Which row is correct?

A

Row A\textbf{A}A

B

Row B\textbf{B}B

C

Row C\textbf{C}C

D

Row D\textbf{D}D

Markscheme

Bonding Questions

  1. GCSE
  2. /Chemistry
  3. /Bonding

74 exam-style questions on OCR GCSE Chemistry Bonding. Each one has a worked solution and a mark scheme showing where the marks go.

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