Chapter 4 - Atoms and Elements - Exercises - Problems - Page 123: 80

a. False b. False c. False d. True

cations loose electrons, anions gain electrons a. Fe^{2+} has p= z= 26, e=z - charge = 26-2=24 b. Cs^{+} has p = z=55, e= z-charge = 55-1=54 c. Se^{2-} has p = z =34, e = z-charge = 34 - (-2) =34+2=36 d. Li+ has p=z=3, e=z-charge=3-1=2