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RE: Chemistry Express: Recognizing Valence Electrons

in #science8 years ago

Thanks! Many people get bad grades because they have missed out on some basics and since everything builds on these basics from there on, they don't understand. I used to have average grades in math. When I started learning it again on my own, it was a whole different story.

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Yeah and I guess it's important to have a good teacher, I didn't like mine much ;)

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