Chapter 5, Problem 4ST

Interpretation Introduction

Interpretation:

The element that has smallest atomic radius is to be stated.

Concept Introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods and vertical columns are known as groups. There are seven periods and eighteen groups in a modern periodic table.

The trends within the periodic table describe the change in the properties such as atomic size, ionization energy, and metallic character within a group or in a period.