Concept explainers
Interpretation:
The formation of magnesium oxide and magnesium nitride needs to be explained when magnesium atoms react with oxygen and nitrogen atoms.
Concept introduction:
Magnesium is found in group 2 in the periodic table. Numerous ionic compounds are binary that means they hold only two different elements. Binary ionic compounds comprise a metallic cation and a nonmetallic anion.
Answer to Problem 109A
Magnesium gives its 2 valence electrons to oxygen atoms. On reaction between magnesium and nitrogen, nitrogen needs three electrons to fulfill its octet. Therefore, it reacts with magnesium in 3:2 ratio.
Explanation of Solution
Magnesium produces +2 cation by losing its two
Oxygen needs two electrons to fulfill its octet. Magnesium combined with oxygen to produce magnesium oxide
Consider the electron configuration of nitrogen. Electronic configuration of nitrogen is as follows:
Nitrogen needs three electrons to fulfill its octet. Magnesium combined with nitrogen in 3:2 ratio to produce magnesium nitride
Magnesium reacts with oxygen in 2:2 ratio and reacts with nitrogen in 3:2 ratio.
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