A kid takes a chemistry test,
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A kid takes a chemistry test, but in order to pass the class he has to get a perfect score on the test. He studied hard, but when he gets it back he got 1 question wrong. The question was "How many valence electrons does hydrogen have?" In a rush he answered "2".
Depressed, he walks home. But as he is walking he kicks a random lamp. He picks up the lamp and suddenly a genie flies out of it. He says "I will grant you one wish!"
The kid replies "I wish got that question right," and the universe explodes.