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According to modern periodic law the ele...

According to modern periodic law the elements with similar chemical and physical properties repeat at regular intervals when the elements are arranged in order of :

A

Decreasing atomic number

B

Increasing atomic weight

C

Increasing atomic number

D

Decreasing atomic weight

Text Solution

Verified by Experts

The correct Answer is:
C

The physical and chemical properties of the element are periodic functions of their atomic number is a more fundamental properties of an elements than its atomic weight
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In the modern periodic table, the elements are arranged in the order of :

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Knowledge Check

  • In a period, the elements are arranged in the order of -

    A
    Constant charges in the nucleus
    B
    Equal charges in the nucleus
    C
    Decreasing charges in the nucleus
    D
    Increasing charges in the nucleus
  • According to modern periodic law the properties of elements repeat at regular intervals when the elements are arranged in order of:

    A
    decreasing atomic number
    B
    increasing atomic weight
    C
    increasing atomic number
    D
    decreasing atomic weights
  • The pair of elements that have similar chemical properties are

    A
    Lithium and Magnesium
    B
    Beryllium and Boron
    C
    Aluminium and Magnesium
    D
    carbon and Nitrogen
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