Question

Modern Periodic, its salient features, merrits
and demerits.​

Answer 1

Answer:

Modern Periodic is called strateology Thailand. future by y's ok this is my love you all

Answer 2

Explanation:

It is a table of chemical elements which is used to organize all the known elements. All the elements arranged in the table by increasing atomic number,each element represented by it's chemical symbol.

Its Salient Features: 1.The elements of group 1,2,13,14,15,16,17 are known as the main group or representative elements. 2.The elements of group 3,4,5,6,7,8,9,10,11,12 are known as transition elements. 3. Elements 18 are called Noble gases or inert gases. 4.The seventh period is incomplete.