Question #7639c

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Question #7639c

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Answer 1 · 2016-12-01T03:28:53

$M g C l_{2}$ $MgCl_2$ originated from Magnesium (Mg) and Chlorine (Cl) atoms.

There is one Mg atom and two Cl atoms (since there is a 2 after the Cl) that forms the compound $M g C l_{2}$ $MgCl_2$ .

It works that way because $M g C l_{2}$ $MgCl_2$ is made up of positive $M g^{2} +$ $Mg^2+$ ions and negative $C l^{-}$ $Cl^-$ ions. In order for $M g^{2} +$ $Mg^2+$ and $C l^{-}$ $Cl^-$ to bond together, the 2 from $M g^{2} +$ $Mg^2+$ moves to the end of Cl so that makes $M g C l_{2}$ $MgCl_2$ .

Therefore, $M g C l_{2}$ $MgCl_2$ contains $M g$ $Mg$ and $C l$ $Cl$ elements and there are 3 atoms altogether.

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Question #7639c

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