NEET | 2018Atomic StructureHard
Question
Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is 1s2 2s2 2p3, the simplest formula for this compound is
Options
A.
Mg2X3
B.
MgX2
C.
Mg2X
D.
Mg3X2
Solution
Magnesium ion = Mg+2
X = Nitrogen Nitrogen ion = N–3

Create a free account to view solution
View Solution FreeMore Atomic Structure Questions
Correct set of forur quantum numbers for the valence (outermost) electron of rubidium (Z = 37) is :...The wavelength of the first line of the He+ ion spectral series whose interval between the extreme lines is 2.725 × 106 ...The outermost electronic configuration of the most electronegative element is :...An isotone of is :...O2 undergoes photochemical dissociation into one normal oxygen atom and one oxygen atom, 1.2 eV more energetic than norm...