Question

Which given statement represents merits of Mendeleev's Periodic table ?
(2 Points)

Table had vacant places for undiscovered elements

A "Zero group' was created for noble gases without disturbing original Periodic table

Atomic masses of some elements was revised to give them proper place in the periodic table as per their properties.

All of the above​​

Answer 1

Answer:

All of the above.

Explanation:

Mendeleev's periodic Table had vacant places for undiscovered elements,

A "Zero group' was created for noble gases without disturbing original Periodic table,

Atomic masses of some elements was revised to give them proper place in the periodic table as per their properties.

Answer 2

Answer:

Mendeleev ' s periodic table has vacant place for undiscovered elements .

A "Zero group " was created for noble gases without disturbing original Periodic table.

Atomic masses of some elements was revised to give them proper place in the periodic table as per their properties .

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