74. is the charge of a nucleus positive, negative, or zero?
the charge of an atom?
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Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

What metric units would you use to measure the thickness of a key

Draw the lewis dot structure for each of the following polyatomic ions