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Chemistry, 02.12.2019 10:31 angelinamadriga
Which statement accurately describes the charge of the nucleus of an atom? (2 points) the nucleus can be either positively charged or neutral. the nucleus never has an electrical charge. the nucleus always has a positive charge. the charge of a nucleus can change from positive to negative.
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Chemistry, 22.06.2019 19:20, johnkings140
For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)
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Which statement accurately describes the charge of the nucleus of an atom? (2 points) the nucleus c...
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