Answer : The correct option is, (B) Magnesium nitride
Explanation :
is an ionic compound because magnesium element is a metal and nitrogen element is a non-metal. The bond formed between a metal and a non-metal is always ionic in nature.
The naming of ionic compounds is given by :
Cation is written first.
The anion is written next and a suffix is added at the end of the anion. The suffix written is '-ide'.
Thus, the name of is magnesium nitride.
Therefore, the correct option is, (B) Magnesium nitride