<h2>Double displacement reaction:</h2>
A double displacement reaction is a type of chemical reaction where two compounds react, and positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products.
<h3>For example:</h3>
Na2S+2HCl→2NaCl+H2S
hope it's helpful :)
Answer:
d
ionic bond is formed when there is transfer of electrons and is composed of a positive cation and a negative anion
They are classified differently and they have a different outer skin structure: scales
I think that the empirical formula is mgcl2
The answer for this multiple choice question is C
