A) Which element in each of the subsequent sets would you expect to have the lowest third ionization energy, IE3?
(a)
K
Sc
Ca
(b)
Ga
Mg
K
(c)
Rb
Sr
Ba
B) Which one of the subsequent equations correctly represents the process involved in the electron affinity of X?
X(g) + e- --> X -(g)
X(g)--> X+(g) + e-
X+(g) + e- -->X(g)
X+(g) + Y -(g) --> XY(s)
X+(g) --> X+(aq)
C) Elements with _______________ first ionization energies and ___________ electron affinities generally form anions.
None of these is generally correct.
high, positive or slightly negative
low, highly negative (exothermic)
high, highly negative (exothermic)
low, positive or slightly negative