Modern Periodic Table is based on atomic numbers.

True

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False

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Solution

The correct option is A True
The modern periodic table is based on the modern periodic law.
Modern Periodic law:
It states that the physical and chemical properties of elements are the periodic functions of their atomic numbers or electronic configuration.
If the elements are arranged in the order of their increasing atomic numbers, the elements with similar properties are repeated after certain regular intervals.
Hence given the statement Modern Periodic Table is based on the atomic number which is true.

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Similar questions

Which of the following statement is correct in regard to the classification of elements?

(a) Elements in the modern periodic table are arranged on the basis of increasing atomic numbers

(b) Elements in Mendeleev’s periodic table are arranged on the basis of increasing atomic numbers

(c) In the modern periodic table, the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass.

(d) In the modern periodic table, the isotopes of chlorine having different atomic masses are kept in the same group.

Which of the following statement (s) about the Modern Periodic Table are incorrect

(i) The elements in the Modern Periodic Table are arranged based on their decreasing atomic number.

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

(iii) Isotopes are placed in an adjoining group (s) in the Periodic Table.

(iv) The elements in the Modern Periodic Table are arranged based on their increasing atomic number.

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