Select the pair of elements that is most likely to form an ionic bond. a. hydrogen and helium b. lithium and potassium c. potassium and iodine d. iron and zinc

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

How many moles of al3+ ions are in 1.25 moles of al2o3

What is the percentage composition of carbon in the compound ch4