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.. .. .. :Cl - Se - Cl: .. .. ..

There are two dots above the Cl, Se, and other Cl. There are also two dots below the Cl, Se, and other Cl. There are two dots to the left of Cl, and two dots to the right of the other Cl. The dash (-) represents two dots. So, there are a total of 20 electrons. Se has 6, and each chlorine has 7. 6 + 7(2) = 20

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15y ago
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10y ago

Im not 100% sure, but this website has a bunch of info on that. Hope it will help sry.

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10y ago

SeCN−

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Q: What is the Lewis Structure for SeCN-?
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