James Chadwick, like Ernest Rutherford, had to infer that neutrons were present in
atoms. He made inferences based on observations of the behavior of atoms during
experimental tests. Using evidence from Rutherford's gold foil experiment, defend the
following claim: Scientific knowledge is based on observation and inference.
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Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)
Answers: 3
James Chadwick, like Ernest Rutherford, had to infer that neutrons were present in
atoms. He made...
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