Question: Mendeleev designed the first periodic table based upon the properties of elements with elements being arranged such that those with similar properties wer In fact,

Mendeleev designed the first periodic table based upon the properties of elements with elements being arranged such that those with similar properties wer In fact, Mendeleev predicted the discovery of additional elements and left spaces for these elements in his periodic table. There were certain inconsistencies t . Among these inconsistencies that could not be explained was the fact that tellurium, which has a higher atomic mass, comes before iodine. Based upon prop inconsistent. When arranging elements based upon atomic weight, why might tellurium (Te) have a greater atomic mass than iodine (I)? O Te has the same number of protons as I. Te has the same number of neutrons as I. Te has isotopes that have greater mass than the isotopes of I. O I is diatomic. The current version of the periodic table is arranged based upon atomic number. Elements are organized into seven periods or rows. Because of the similarities i periodicity or periodic trends, can be deduced based upon the location of elements.

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