How is Long form of Periodic Table Superior to Mendeleev’s Table?

(iv) It removes the anomaly of inversions in the Mendeleev’s Table. Thus proceeds K in the periodic table because it has a lower atomic number though its atomic mass is more than that of potassium.

(v) It also removes the other anomalies found in Mendeleev’s periodic table (like grouping of chemically dissimilar elements and separation of chemically similar elements etc.).

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(vi) It reflects more clearly the changes in the properties of various elements while moving across a period or down a group.

(vii) Typical (representative) and transition elements have-been separated in this form of the periodic table.

(viii) It also separates metals and non-metals.

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