Nitrogen can ionically bond with an unknown element x from group 2. how many ions of element x are required to create a stable ionic compound with nitrogen? a) 2 b) 3 c) 4 d) there is not enough information.

Answer is: B) 3.

Nitrogen (nonmetal) in this compound has oxidation number -3 and element X (metal) has oxidation number +2.

Smallest common multiple for 3 and 2 is 6.

number of nitrogen atoms = 6 ÷ 3.

number of nitrogen atoms = 2, there are two nitrogen atoms.

number of atom X: 6 ÷ 2 = 3.

For example, Mg₃N₂ is magnesium nitride. Nitrogen has -3 oxidation number and magnesium has oxidation number +2.

d: the voltage of the secondary coil is less than that of the primary coil.

im not suree sorry if wrong

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