Se hace reaccionar integramente 1,2 L de acido sulfurico 0,5 M con combre metalico, de acuerdo con la reaccion: () + () + + () 2− → () 2+ + 2() + 2 Determinar la masa, en gramos, del cobre oxidado.

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

What is the main reason why some developing countries fear the increase the free trade policies around the world?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false