Group 16 nonmetals bonds with metals or polyatomic ions. What question would a student need to know to from a compound with Group 16 nonmetals?

What is the chemical formula of the following compound

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

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)