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Mendeleev's Periodic Table and Law

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Question

According to Mendeleev’s Periodic Law, the elements were arranged in the periodic table in the order of increasing atomic numbers.

A

True

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B

False

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Solution

The correct option is B
False

Mendeleev arranged the elements in increasing order of their atomic masses. He said that “the properties of elements are periodic functions of their atomic masses”.

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Similar questions

Q. Read the given statements carefully.
(a) There are total of 7 columns in the Modern periodic table.
(b) Mendeleev arranged the elements in the increasing order of their atomic numbers and according to their chemical properties
(c) Newlands’ law of Octaves worked well with lighter elements only.
The correct statement(s) is/are

Q. True or False
In Mendeleev's periodic table, elements are arranged in an increasing order of their atomic number.

Q. Which of the following statement(s) about the Modern periodic table is/are incorrect?
(i) The elements in the Modern periodic table are arranged on the basis of their decreasing atomic number.
(ii) The elements in the Modern periodic table are arranged on the basis of their increasing atomic number
(iii) Isotopes are placed in an adjoining group(s) in the periodic table.

Identify the elements that weren't arranged in the increasing order of atomic mass in the Mendeleev's periodic table.

Why should elements in periodic table be arranged in increasing order of atomic no. And not atomic mass.

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