elements with the same number of electron shells are in the same: select the correct answer below: period…

elements with the same number of electron shells are in the same: select the correct answer below: period group family phyla

elements with the same number of electron shells are in the same: select the correct answer below: period group family phyla

Answer

Brief Explanations:

In the periodic table, elements with the same number of electron shells are placed in the same period. Groups (or families) consist of elements with the same number of valence electrons. Phyla is a term used in biological classification, not in the context of the periodic - table of elements.

Answer:

A. period