Question

classification of elements​

Answer 1

The next thing in our review is to classify the elements into three groups. These three groups are: metals, nonmetals, and inert gases. Let's look at where these groups are located on the periodic table and correlate them with the ability to lose and gain electrons.

Answer 2

Periodic table :-)

arrangement of elements in tabular form is known as periodic table.

[see periodic table in attachment]

classification of elements:-)

lt is the arrangement of elements in tabular form where similar properties elements are grouped together and the elements which have different properties are separate.

☆ earlier face only 20 elements are discovered in nature show arrangement of elements is based on atomic mass but now in Modern Periodic Table it is based on atomic number which is given by moseley .

Periodic Table is discovered by

Dimitri Mendeleev