Chapter 6.1, Problem 3LC

Interpretation Introduction

Interpretation:

The arrangement of elements in the modern periodic table is to be determined.

Concept Introduction :

The periodic table is a columnar structure that organizes different elements into groups based on how they behave.The elements in the periodic table of today are ordered according to the periodic law.

Answer to Problem 3LC

The elements are organized in the modern periodic table in increasing order of their atomic number.

Explanation of Solution

Henry Moseley put forth the modern periodic law in 1913. The physical and chemical characteristics of the elements are periodic functions of their atomic numbers, according to the modern periodic law.

The elements are organized in horizontal columns and vertical rows in the modern periodic table in ascending order of atomic number. The modern periodic table has seven horizontal rows called periods and eighteen vertical columns called groups that are organized from left to right.