Which of the following compounds would you expect to be ionic

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Consider the total ionic equation below. what are the spectator ions in this equation? h+ and oh- h+ and ba2+cro2-4 and oh- cro2-4 and ba2+

Most substances become less dense as the temperature increases. which substance is an exception to this rule? ice at 0°c steel at 40°c oxygen at 20°c aluminum at 20°c