Calcium reacts with an element (X) to form an ionic compound... — Chemistry | Mockzy | Mockzy

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Calcium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is 1s2 2s2 2p5 , the simplest formula for this compound is;

A

Ca2X3

B

CaX2

C

Ca2X

D

Ca3X2

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