A periodic law based on atomic masses would necessitate Te and I changing places in the periodic table.This was not done in the early periodic table because
A)a periodic law based on atomic masses is not valid.
B)it was thought that the atomic masses might be in error.
C)iodine behaves chemically like chlorine and bromine.
D)the tellurium samples could contain a heavy impurity.
E)iodine contains one naturally occurring isotope,whereas tellurium consists of several isotopes.

Question

Quizplus · Accepted Answer

Iodine behaves chemically like chlorine and bromine, which is why it was placed with them in the periodic table despite its atomic mass being higher than that of tellurium.

A Periodic Law Based on Atomic Masses Would Necessitate Te