Which of the following is an oxidation reaction? a. aucl4- → aucl 2- b. mn7+ → mn2+ c. co3+ → co2+ d. cl2 → clo3-

98 ! and brainliest plz ! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.