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

Question

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, Mg 2 X, MgX 2, Mg 2 X 3, Mg 3 X 2

MARKS App · Accepted Answer

Magnesium ion = Mg + 2 The electron configuration of an element describes how electrons are distributed in its atomic orbitals. Electron configurations of atoms follow a standard notation in which all electron-containing atomic subshells (with the number of electrons they hold written in superscript) are placed in a sequence.

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