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Which of the following statements is/are...

Which of the following statements is/are true for the long form of the periodic table?

A

It refers the sequence of filling the electrons in the order of sub-energy level `s,p,d and f`

B

It helps to predict the stable valency states of the elements.

C

It refers trends in physical and chemical properties of the elements.

D

It helps to predict the relativity ionicity of the bond between any two elements.

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
Only (b) seems to be incorrect because in many cases, stable valency states are difficult to predict on the basis of the periodic table.
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Knowledge Check

  • Which of the following statements is/are true about the modern form of periodic table?

    A
    Third group of periodic table accommodates maximum number of elements.
    B
    Due to presence of half filled and fully filled sub shells in electronic configuration electronegativity of atom increases
    C
    The element of 13 th group and 7th period will have atomic number 113.
    D
    Diagonal relationship in 2nd and 3rd period element is found due to similar charge to size ratio

  • Which of the following statements is/are true about the modern form of periodic table?

    A
    Properties of the elements are the periodic functions of their atomic number
    B
    There are 7 periods
    C
    There are 8 groups
    D
    It has separate positions for the isotopes

  • The long form of periodic table has

    A
    Eight horizontal rows and seven vertical columns
    B
    Seven horizontal rows and eighteen vertical columns
    C
    Seven horizontal rows and seven vertical columns
    D
    Eight horizontal rows and eight vertical columns