Question

Periodic classification ​

Answer 1

Answer:

The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties. The structure of the table shows periodic trends.

Answer 2

$<p style="color:yellow;font-family:cursive; background: black;font size:25px;"> THESE ARE ARRANGED ACCORDING TO MODREN PERIODIC TABLE, IT HAS 7 PERIOD AND 18 GROUPS INCLUDING S-block(GROUP 1,2); P-block(GROUP 13 TO 18); D-block(GROUP 3 TO 12); F-block (LANTHANOIDS AND ACTINOIDS) ELEMENT. THESE ARE ARRANGER IN ORDER TO INCREASE IN ATOMIC NUMBER AND RELATIVE ATOMIC MASS. THIS MAKE STUDY OF ELEMENT EASY AND SYSTEMATIC. </p><p></p><h2><strong><em><u>❤</u></em></strong><strong><em><u>now</u></em></strong><strong><em><u> FOLLOW</u></em></strong><strong><em><u> me</u></em></strong><strong><em><u>❤</u></em></strong><strong><em><u> mark</u></em></strong><strong><em><u> it</u></em></strong><strong><em><u> as</u></em></strong><strong><em><u> brilliant</u></em></strong><strong><em><u>❤</u></em></strong></h2><p>$