Wavefunctions Cont'd Fewer Nodes Lower Energy n=(total of nodes 1) =(of angular nodes) =0(s);=1(p);=2(d);=3(⑤ m,the "index,"runs from to +e and tells us how many orbtials are needed to form a degenerate set in 3-dimensions · Bigger n;bigger orbital;same (same shape Know how to sketch the shapes of the various orbitals -12Wavefunctions Cont’d  Fewer Nodes = Lower Energy  n = (total # of nodes + 1)   = (# of angular nodes)  =0 (s); =1 (p); =2 (d); =3 (f)  m, the “index,” runs from - to + and tells us how many orbtials are needed to form a degenerate set in 3-dimensions  Bigger n; bigger orbital; same , same shape  Know how to sketch the shapes of the various orbitals III-12