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Give one example of a pure (exact) number and of an estimated (measured) number.
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Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a dā Š²-Š° ā Ń d-b-c-a
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Chemistry, 23.06.2019 15:30
Acontainer holds 6.4 moles of gas. hydrogen gas makes up 25% of the total moles in the container. if the total pressure is 1.24atm. what is the partial pressure of hydrogen
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What is the different between a particle and an element?...
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