The elements are arranged in the decreasing order of their atomic numbers in a periodic table.

True

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False

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Solution

The correct option is B False
Periodic table: A periodic table is an arrangement of elements in the increasing order of their atomic numbers in a tabular format.
There are 118 known elements in the periodic table.
The elements are arranged in the increasing order of their atomic numbers in a periodic table.
Therefore the given statement is false.

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Similar questions

According to Mendeleev’s periodic law, the elements were arranged in the periodic table in the order of :

(a) decreasing atomic numbers (b) increasing atomic numbers

Question 46
(a) In this ladder (Figure 5.2) symbols of elements are jumbled up. Rearrange these symbols of elements in the increasing order of their atomic number in the Periodic Table.

(b) Arrange them in the order of their group also.

The elements in the periodic table are arranged in the _______ (increasing/decreasing) order of their atomic number.

Which of the following statements (s) about the Modern Periodic table are incorrect?

(i) The elements in the Modern Periodic Table are arranged on the basis of their decreasing atomic numbers.

(ii) The elements in the Modern Periodic Table are arranged on the basis of their increasing atomic masses.

(iii) Isotopes are placed in adjoining group (s) in the periodic table.

(iv) The elements in the Modern Periodic Table are arranged on the basis of their increasing atomic numbers.

In Mendeleev's periodic table, elements are arranged in increasing order of their atomic number

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