Question #15936

1 Answer
Kathryn Bell
Dec 14, 2017

#XY_2#

Explanation:

e.g. # MgCl_2#, # BaBr_2#

Atom X requires two electrons to fill its valence shell
Atom Y requires one electron to fill its valence shell

Therefore, atom X forms two bonds with two Y atoms.

See an example below, with the dot and cross diagram to show the ionic bonding:

http://slideplayer.com/slide/8070798/

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