An oxidation number a. is always negative b. is always positive c. has no exact physical meaning d. is the same in each compound that an element forms

Calcium chloride +gold(1) oxide—>

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d