Question

state the name and classifing element write the more fundamental properties of element that is used in the development of modern periodic ? name and state the law basiced on which side the period ths fundamental property.on whichone can fine metal nonmetal and metaloida

Answer 1

the main aim of classifying elements is to follow periodicity bases on the octet configuration .the elements are arranged in increasing order of their atomic number .
basic property of elements used in the development of modern periodic law : same physical and chemical elements . the extreme left side are metals and the extreme right side are non metals . between are e metalloids probably they seems to be right.