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What is the rule for finding out how many valance elements in groups 13-18 have
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Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.
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What is the name for a substance formed in a chemical reaction
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Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels
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What is the rule for finding out how many valance elements in groups 13-18 have...
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