Compare the elements B, Al, C, and Si.
a) Which has the most metallic character?
b) Which has the largest atomic radius?
c) Which has the most negative electron affinity?
d) Place the three elements B, Al, and C in order of increasing first ionization energy.
Using an orbital box diagram and the noble gas notation, show the electron configuration of titanium. Give one possible set of four quantum numbers for each of the electrons beyond those of the preceding noble gas.