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Chemistry, 22.06.2019 22:30
Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
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Chemistry, 23.06.2019 00:30
Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
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Chemistry, 23.06.2019 04:31
2ki + pb(no3)2 → 2kno3 + pbi2 determine how many moles of kno3 are created if 0.03 moles of ki are completely consumed.
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Mathematics, 06.07.2019 02:30
Mathematics, 06.07.2019 02:30
Mathematics, 06.07.2019 02:30
Mathematics, 06.07.2019 02:30
Mathematics, 06.07.2019 02:30
Mathematics, 06.07.2019 02:30
Mathematics, 06.07.2019 02:30
History, 06.07.2019 02:30