You rub two insulators against each other and attain a charge imbalance. Is there a rule as to which of the materials will end up with a negative charge and vice versa? Does it depend on which one has more or less lose valence electrons?

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[–] 1 point 7 months ago* (last edited 6 months ago) (1 child)

Here's a link to an article talking about it, including a small list of materials and if they will lose or gain electrons. I found that with a quick search, more or better ones can be found, I'm sure. I chose this one because it has the split between gain and loss, which others don't.

Edit: working link

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