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mass is a fundamental unit because it must be
a.) calculated
b.) measured<...
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List four observations that indicate that a chemical reaction may be taking place
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In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?
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What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5
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Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear
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