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Chemistry bonding

Could you please explain to me why A is the correct answer? How do I figure it out?

https://imgur.com/uKJYXFc
(edited 1 month ago)
Reply 1
Original post by S0303
Could you please explain to me why A is the correct answer? How do I figure it out?

https://imgur.com/uKJYXFc

The ratio of big spheres to little spheres is 2:1, ruling out B and D because they exhibit ions with a 1:1 ratio. SO2 is not ionic, so the compound is therefore A.

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