Question

what are the factors of modern periodic table​

Answer 1

Answer:

The physical and chemical properties of the elements are periodic function if their atomic numbers.

Then the key factors for the designing of periodic table are,

• Periodicity in physical and chemical properties
• Atomic number

Answer 2

answer :

modern periodic table of elements is based on mandeleev's observation , how ever , instead of being organized by atomic weight modern table is arranged by atomic mass

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