Chemistry, asked by praneshkohli02p5mgiq, 1 year ago

3. (a) Why do we classify elements?
(b) What are the two criteria used in the development of Modern Periodic Table?
(c) What is meant by periodicity in properties of elements with reference to the periodic table?

Answers

Answered by TIGER4537

1

to better understand the physical properties and chemical properties of metal and non metal

Answered by asjfaq

1

it makes study easier ,

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