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What shape would a molecule with two bound groups and two lone pairs have?
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Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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Calculate the mass of tetraborane (B 4 H 10 ) that contains a million (1.0 * 10 ^ 6) hydrogen atoms....
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