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Chemistry, 22.06.2019 07:00
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 scientistsā understanding of the atom?
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Chemistry, 22.06.2019 23:00
What does a numerical subscript following an element in a chemical formula mean?
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Chemistry, 23.06.2019 01:00
Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x
Answers: 1
Chemistry, 23.06.2019 01:30
Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o ā h bond is nonpolar and the molecule is asymmetric. the o ā h bond is nonpolar and the molecule is symmetric. the o ā h bond is polar and the molecule is asymmetric. the o ā h bond is polar and the molecule is symmetric.
Answers: 1
Awhich landmasses show evidence of ancient glaciers?...
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