Question

Complete the following passage:
All the different elements are arranged in the
table.
Elements with similar properties are found in columns called
The rows are known as
. The non metals are
found on the
side of the periodic table and the metals are
found on the
side of the periodic table.​

Answer 1

1. groups

2. periods

3.right

4.left

Answer 2

ANSWER:

1. All different 'elements' are arranged in periodic table.
2. Elements existing with similar properties which are found in columns are called as groups or family of elements.
3. The rows are known as periods and allow the elements with 'similar properties' to appear in the vertical columns.
4. The non-metals in the periodic table are found on right side and the 'metals' are found on 'left side' of the periodic table

EXPLANATION:

The periodic table displays the tabular format of 'chemical elements' that are arranged based on the atomic number of elements.

The discovery of these chemical elements plays a vital role in human's life as the composition of chemical elements helps to cure many diseases.