Based on the equations below, which metal is the most active? ...

[maychende]

Based on the equations below, which metal is the most active?
 
  Pb(NO3)2 (aq) + Ni (s)  Ni(NO3)2 (aq) + Pb (s)
   Pb(NO3)2 (aq) + Ag (s)  No reaction
   Cu(NO3)2 (aq) + Ni (s)  Ni(NO3)2 (aq) + Cu (s)
 
  A) Ni
  B) Ag
  C) Cu
  D) Pb
  E) N

Question 2

The electron configuration of a ground-state Ag atom is ________.
 
  A) Ar4s24d9
  B) Kr5s14d10
  C) Kr5s23d9
  D) Ar4s14d10
  E) Kr5s24d10

[Meganchabluk]

Answer to Question 1

A

Answer to Question 2

B