Fe2O3 + 3H2 → 2Fe + 3H2O How many grams of iron (Fe) can be made from 6 grams Fe2O3?
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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 d— в-а — с d-b-c-a