Question #3_7.P.2A.2
Which statement about the periodic table is true?

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 ->

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

__can be defined as which velocity changes