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Question:

Aluminum foil question (dull/shiny)?

I want to prepare salmon in a papillote in the oven, but do I need the shiny or the dull side out?

Answer:

It doesn't matterEdit: bbsan240, Your science teacher is wrongThe reason aluminum foil has one shiny side and one dull side is because, when they roll foil it is so thin that they actually have to roll two layers at one timeIt's too thin to roll one layer of foilThe sides of the foil that are touching each other come out dullThe sides that are touching the rollers, come out shiny.
1) They don't have any electrons in their respective P orbitals, they one have 1 electron in their respective s orbital 2) They have one empty P orbital 3) All of their orbitals are full

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