Question

the atomic number of three clement x, y and z are a 11 and 17 respectively. I which two of these elements will show similar chemical properties? why?​

Answer 1

Answer:

Metalloid, in chemistry, is a term which describes a chemical element forming a simple substance having properties intermediate between those of a typical metal and a typical nonmetal. They are often called semi-metals. Comparative Study of Metals, Nonmetals and Metalloids FAQ (Frequently Asked Questions)

Answer 2

Among the elements Y , Z and X the two elements that will exhibit same kind of chemical properties are element X and element Y. Reason : Element X has the atomic number 3 and Y has 11 as it atomic number. We will find that these two elements lie in the same group.