Nature of Compound Past Year (2016 - 2018) MCQs Classification of Elements and Periodicity in Properties Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is $1 s^{2} 2 s^{2} 2 p^{3}$ , the simplest formula for this compound is:

1. ${Mg}_{2} X_{3}$

2. ${MgX}_{2}$

3. ${Mg}_{2} X$

4. ${Mg}_{3} X_{2}$

Subtopic: Nature of Compound |

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