Question

describe the merits of Mendeleev's periodic table

Answer 1

Merits of Mendeleev's periodic table

1. GROUPING OF ELEMENTS
2. GAPS FOR UNDISCOVERED ELEMENTS
3. HE PREDICTED THE PROPERTIES OF THE THEN UNKNOWN ELEMENTS ON THE BASIS OF PROPERTIES OF ELEMENTS LYING ADJACENT TO THE VACANT SLOT

Answer 2

✔️ANSWER:-

⏩ No fixed position was given to hydrogen in the Periodic Table.

⏩ Isotopes were discovered long after Mendeleev had proposed periodic classification of elements. Isotopes of all elements posed a challenge to Mendeleev's Periodic Table.

⏩ Atomic mass do not increase in regular manner in going from one element to other.

✨✔️HOPE IT HELPS YOU....
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