Question

What are the criteria used by Mendeleev in creating his Periodic Table?

Answer 1

Answer:

Periodic table is a tabular form of displaying the chemical elements, arranged according to their atomic number and various other factors.

Explanation:

According to Mendeleev, chemical and physical properties of elements were somehow related to their atomic mass.

Mendeleev created his Periodic Table on the basis of two properties:

1. Elements were arranged according to the atomic mass in increasing order.

2. Elements with the same chemical properties were placed in the same group.

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Answer 2

Answer:

1)Elements were arranged in increasing order

2) Elements having similar properties should be in Same group

3) Similarity of the chemical properties is a important factor

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