Based on the oxidation states of the atoms in this reaction, answer the questions. 4fe(0) + 3o2(0) → 2fe2(3+)o3(2-) how many electrons does the iron half-reaction lose? how many electrons does the oxygen half-reaction gain? what is the total number of electrons that are moved in this oxidation-reduction reaction?.

5. to comply with implementation requirements, shops must ensure that paint booth exhaust systems use efficient spray booth filters. a) 75% b) 100% c) 50% d) 98%

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.

Hree steps to answering test questions correctly include a. underlining, repeating, reading c. reading, undoing, eliminating b. reading, underlining, erasing d. reading, underlining, eliminating