Which of the following is the smallest volume?
a) 22cm^3
b) 0.50 dl
c) 2.8 x 10^3 ml
d) 5.0 x 10^7 nl

If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+