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HELPPPP !! I need help I'm so stressed out please please please help us
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HELPPPP !! I need help I'm so stressed out please please please help us

HELPPPP !! I need help I'm so stressed out please please please help us-example-1
User Sachin Shah
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He used patterns, he organized the periodic table by patterns and left blank spots for us to fill in the future.
User Sam Doshi
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