Please help ! please dont repeat others answers! but i really need help

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

What are fossils of organisms that existed over a wide area but only for a limited time period called?

In general metals get as you move from left to right across the periodic table.