What must be true if an atom is ionized? Select one:
a. It must be radioactive
O b. It must have different numbers of protons and neutrons
O c. It must have an electron that has jumped to a higher energy
level
O d. It must have different numbers of protons and electrons

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 ->

Name the element in group 17, period 2. (periodic table)

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never